baber/WOPTO huggingface dataset:
Patent GB-859269-A (GB)
Title: Copolymers of acrylamide and vinyl aromatic sulfonates
Inventor: JONES GIFFIN DENISON
IPC: C02F1/54
Filed: 1959-07-03
Abstract: Copolymers of 99 to 90 mole per cent of acrylamide and 1 to 10 mole per cent of at least one compound selected from vinyl benzene sulphonic acid, vinyl benzyl sulphonic acid, water-soluble alkali and alkaline earth metal salts of said acids, and alkyl substitution products of said acids and salts having 1 or 2 alkyl radicals, each containing 1 to 3 carbon atoms, attached to the benzene nucleus, may be prepared by copolymerizing acrylamide with the acid or salt in aqueous solution at a pH of 3 to 9.  The aqueous media may contain alcohols such as methyl alcohol, ethyl alcohol and isopropyl alcohol. The polymerization may be catalysed by soluble free-radical polymerization catalysts, e.g. sodium persulphate, potassium persulphate, ammonium persulphate, hydrogen peroxide and tertiary butyl hydroperoxide, or by ultraviolet light, X-rays, g -rays and high energy electrons. Traces of acrylamide peroxide normally present in the acrylamide may be sufficient to initiate polymerization in the presence of sodium sulphite.  Examples describe the copolymerization of acrylamide with sodium vinyl benzyl sulphonate and sodium vinyl benzene sulphonate.  The products may be used for flocculating suspensions of mineral solids, e.g. uranium ores.ALSO:Sodium vinyl benzylsulphonate may be prepared by adding vinylbenzyl chloride portionwise with agitation to an aqueous solution of sodium sulphite at room temperature.  Unreacted vinylbenzyl chloride may be extracted with benzene and the sodium vinylbenzyl-sulphonate crystallised by chilling the aqueous solution.ALSO:A method of flocculating aqueous suspensions of finely divided mineral solids comprises admixing with the suspensions aqueous solutions of water-soluble high molecular weight copolymers of 99 to 90 mole per cent acrylamide and 1 to 10 mole per cent acrylamide and 1 to 10 mole per cent of at least one sulphonated vinyl aromatic compound selected from vinylbenzene sulphonic acid, vinylbenzyl sulphonic acid, water-soluble alkali and alkaline earth metal salts of said acids, and alkyl substitution products of said acids and salts having 1 or 2 alkyl radicals, each containing 1 to 3 carbon atoms, attached to the benzene nucleus. The flocculated material may be separated by decantation, filtration or centrifugation Examples describe the flocculation of aqueous slurries of acid-leached South African uranium ore using (6 and 8) acrylamide-sodium vinylbenzene sulphonate copolymers, (7) acrylamide-sodium vinylbenzyl sulphonate copolymers and, for comparison, polyacrylamide.
Patent GB-295361-A (GB)
Filed: 1928-08-09
Abstract: 295,361. Schering-Kahlbaum Akt.- Ges. Aug. 10, 1927, [Convention date]. Addition to 291,005. Medicines for internal use.-The process described in the parent Specification for activating hormones from sexual organs by irradiating tissue-free extracts of the organs with ultra violet rays, is extended to the treatment of the tissuefree extracts containing hormones prepared from vegetable organisms by the process set forth in Specification 271,492. Specifications 236,197 and 295,757 also are referred to. The Specification as open to inspection under Sect. 91 (3) (a) states also that the process of irradiation may be applied to the vegetable tissues before extraction, or to crude extracts therefrom. This subject-matter does not appear in the Specification as accepted.
Patent GB-1336239-A (GB)
Title: Automatic electronic controller
IPC: B65H63/032
Filed: 1971-04-19
Abstract: 1336239 Detecting yarn movements; stop motion ZELLWEGER Ltd 19 April 1971 [24 March 1970] 23069/71 Headings DID and D1F [Also in Division G1] An electronic automatic controller incorporates a circuit arrangement for monitoring the movement of textile material, in which the circuit arrangement has a temperature detector whose temperature differs from the ambient temperature in the absence of textile material or in the presence of stationary textile material and past which textile material can travel, and wherein the movement of the textile material past the detector produces a change in the output signal of the circuit through the change in temperature of the detector produced by the motion of the atmosphere surrounding the detector and/or by contact between the textile material and the temperature detector. The detector is preferably one whose electrical resistances changes with temperature The detector may be arranged in a voltage divider or in a measuring bridge. Fig. 2 shows a bridge circuit 2 which contains detectors 12, 24 in the bridge arms 12/21 and 24/22. When the textile filament 13 is stationary, a specific bridge voltage U 2  is adjusted. When the filament is moved, the detector 12 is cooled by the movement of the atmosphere surrounding the detector, and there is accordingly produced a change in the bridge voltage U 2 . The automatic controller may be used as a monitoring and/or stop motion switching element in a textile machine, for example a winding machine in Fig. 5 (not shown).
Patent GB-230740-A (GB)
Title: Improvements in or relating to dazzle preventing devices for vehicle lights
IPC: B60Q1/14
Filed: 1924-10-01
Abstract: 230,740. Sturrock, R. F. Oct. 1, 1924. Lantern obturators.-A vehicle lamp is provided with a non-translucent open-ended cylindrical sleeve h adapted to be moved axially with regard to the lamp to cut off side rays of light from the reflector a whilst still allowing rays of light to be thrown forwardly. A Bowden-wire l is attached by a set-screw m to a projection k on the cylinder h which slides over a concentric metal cylinder secured to the reflector or to the body of the lamp or between concentric metal cylinders c, d secured to the reflector, the projection h and set-screw m sliding in slots f, g in the cylinders c, d. The Bowden-wire l may be enclosed in a tube secured to the projection k and adapted to pass through a guide-way attached to the reflector and provided with an abutment for receiving the end of the Bowden-casing.
Patent GB-1369144-A (GB)
Title: Electric furnace
IPC: H05B3/00
Filed: 1972-05-17
Abstract: 1369144 Internal resistance heating OWENSCORNING FIBERGLAS CORP 17 May 1972 [17 May 1971] 23243/72 Heading H5H In order to protect low electrical resistance refractory walls of a glass furnace Fig. 4, a plurality of grounded interconnected electrodes 47, 47<SP>1</SP> are arranged between the side walls of the furnace and the "hot" electrode formed by two interconnected electrodes 46. In the single-phase furnace of Fig. 4, one electrode 47 is arranged to be adjacent the entrance of the throat 48 to insure that convection currents are created to prevent batch material (unmelted glass), floating on top of the melt, from being drawn out of the furnace. The furnace side walls may be chromic oxide and the floor of dense fused silica. Water jackets 34, Fig. 3 (not shown), may be provided around the electrodes to cool the furnace floor. The cool batch material distributed over the melt surface, prevents the escape of fluorine, (added as a flux) and boron from the molten glass. In multiphase arrangements, e.g. three phase furnaces, Fig. 5, electrode pairs 56, 57, 58 are connected to a phase of the supply and secondary grounded electrodes 59<SP>1</SP>, 59 lie between the individual electrode pairs and between said pairs and the side walls of the furnace.
Patent GB-1398763-A (GB)
Title: Apparatus for binary signal integration detection
IPC: H03K5/22
Filed: 1972-05-17
Abstract: 1398763 Pulse regenerating circuits; integrating circuits STORAGE TECHNOLOGY CORP 17 May 1972 [17 May 1971] 23259/72 Headings G4C and G4G [Also in Division H3] In a binary (e.g. phase encoded) signal detector of the type which integrates the signal whether it be positive or negative during the bit period, adjacent bits are passed to different integrators so that there is more time for resetting. In Fig. 1, phase encoded data from a magnetic tape is received at A after differentiating and limiting. Clock signals extracted from the data at 10 are compared at 12 in an exclusive OR circuit 12 with the signal to provide one signal when the data and clock are in phase and another when they are out of phase. The clock also triggers a bi-stable circuit which causes alternate data bits to be passed by respective AND circuits 14,16 to integrators 20 and 22, each integrating a positive or negative current depending on whether the signal level is 1 or 0. The outputs of these integrators set a comparator latch 24 to provide the output data signal. Fig. 3 shows one integrator. When the output D of the bi-stable circuit 18 of Fig. 1 is positive transistors 64 and 66 hold transistors 54 and 56 of current switching circuit 28 non-conducting and the D signal holds 38 conducting so that the constant current source 26 is connected through this transistor to charge the capacitor 50. If the data signal is high transistor 44 is off. At the end of the bit period, signal D goes low cutting off 64 and 66. 68 However, is maintained conducting by the high level voltage across the capacitor acting through transistor 58 by the corresponding output of 60, clamped by diode 59, applies a low level signal to transistor 70 so that transistor 54 conducts connecting the current source 26 via a current mirror 46, 48 to discharge capacitor 50 towards the -15 V level, this being effected at twice the charging rate since the absence of the D signal at 26 doubles the current from the source. The capacitor discharges until transistor 58 and 60 bring 68 and 70 into operation to reconnect the constant current source via transistor 56 to the capacitor. The negative feedback thus provided maintains the rest state of the capacitor 50 at a desired voltage level. If the signal is at the zero level the E signal at the input of 44 beings the current mirror source into operation so that the integrating capacitor is charged in a negative direction.
Patent GB-204327-A (GB)
Title: Improvements in or relating to high frequency signaling systems
IPC: H03F3/48
Filed: 1923-09-18
Abstract: 204,327. Grimes Radio Engineering Co., Inc., (Assignees of Grimes, D.). Sept. 19, 1922, '[Convention date]. Void [Published under Sect. 91 of the Act]. Thermionic amplifiers and detectors. -A number of amplifying valves are arranged for inter-stage operation so that one band of frequencies is amplified by the valves in a predetermined order while a different band of frequencies is amplified by at least two of the valves in the inverse sequence. The Figure shows amplifying valves 1 - - 3 and detecting valve 4 coupled by radio-frequency transformers 5 - - 7. The rectified current is applied through transformer 10 to valve 3, the output of which is applied through transformer 9 to valve 2, the output from which is similarly applied to valve 1. The transformers 5 - - 7 are inoperable efficiently to transmit current variations of audible-frequency, and transformers 8 - - 10 are inoperable efficiently to transmit current variations of super-audible frequencies. Potentiometer 15 controls the grid bias of valves 2, 3, while the battery 12 controls the grid bias of the valve 1. Specifications 131,092 and 132,668 are referred to.
Patent GB-312000-A (GB)
Title: A new or improved apparatus for playing games
IPC: A63H33/22
Filed: 1928-08-14
Abstract: 312,000. Mayell, H. W., and Riley, W. J. Aug. 14, 1928. Games of chance.- An apparatus for playing a race game comprises a disc having a number of apertures equi-distant from its centre, and a shallow cylindrical casing within which the disc is spun, this casing having on its base one or more markings, so spaced that only one is visible through an aperture when the disc is stationary. The casing a may be a sheet metal pressing and may have a push-on lid b. The disc e is provided with a knurled spinning knob h and a pivot g, the latter resting in a concave depression d formed in the base of the casing a. The disc has apertures j adjacent to which may be printed numbered figures k. On the base of the casing a are printed one or more figures l so spaced that only one, or part of one is visible when the disc e is stationary. The inner and outer surfaces of the casing may have printed or other ornamental representations.
Patent GB-442552-A (GB)
Title: Improved means for retaining windows, glass or other panels, within their frames or surrounds
IPC: B60J10/02
Filed: 1934-08-14
Abstract: 442,552. Glazing window frames. SLEIGH, H. L., CHESTON, A. S., and STUART, F. J., Widney Works, Bagot Street, Birmingham. Aug. 14, 1934, No. 23396. [Class 20 (iii)] A window or other panel is detachably re tained in its frame by a grooved rubber or like resilient strip adaptec when applied to the panel to be inserted by a transverse movement into the frame and re tained therein by a de pending flap 14, sprung behind a depressed lip 6 The outer wall of the frame has a projecting lip 5 beneath which en gages the face of the strip. The strip may be recessed at the front and formed with an extended lip 15 to engage a recess in the frame, Fig. 5. The sides of the strip normally approach each other so that, when separated by the panel, the base 14 is forced downwardly against the frame.
Patent GB-461964-A (GB)
Title: Improvements in and relating to shields or covers for motor car radiator installations
IPC: B60K11/04
Filed: 1935-08-21
Abstract: 461,964. Radiators for motor vehicles. RAMSDEN, H. Aug. 21, 1935, No. 23502. [Class 29] A muff for attachment to the radiator grille or dummy front is formed of openwork rigid or semirigid material, particularly wire mesh 1, with an edge covering of fabric material 2, and is provided with a roll-up or hinged flap 5, adjustable to various openings. The mesh material may extend over the whole front of the grille as shown in Fig. 2, or may extend only at the corners or sides, as shown for example in Fig. 10 sufficiently to enable the muff to be secured to the grille by bolts etc. passing through the mesh and grille. The edge of wire mesh may be covered by a metal channel piece 12<1>, Fig. 5, pressed over it, or by a folded fabric or rubber strip secured by stitching, and an outer stitched layer 13 of fabric is applied. The securing bolts may be hook ended and insertible between the grille bars from the front, or plain bolts may extend through the grille and through the radiator, and the mesh portion of the muff is passed over the shanks of the bolts and secured by nuts. The upper edge of the flap when closed may be covered by another flap 8, Fig. 2, to exclude air. The flap may be adjusted by sliding stringer fastenings. A muff for the lower portion only of the grille may comprise mesh material 40, Fig. 19, and a roll flap 42 on a fabric part 41. An opening for the starting handle may be covered by a small flap 17, Fig. 19, secured by a snap fastener. The main flap may be stiffened by inserts of metal strip.
Patent GB-1460792-A (GB)
Title: Process for continuous manufacture ofu'ethyl methacrylate polymer
IPC: B29C48/08
Filed: 1974-01-07
Abstract: 1460792 Continuous casting MITSUBISHI RAYON CO Ltd 7 Jan 1974 [18 Jan 1973 (2)] 23531/76 Heading B5A The disclosure is the same as that of Specification 1,460,791, but the claims relate to a process of moulding a methyl methacrylate polymer plate for polymerization in the working space formed by two endless belts and edge sealing means running in compliance therewith, in which polymerization takes place in two successive zones, the first zone being water cooled and at a lower temperature than the first, and the water adhering to the belts and seals is removed before the second zone to prevent blemishes on the surface of the moulded plate.
Patent GB-1115928-A (GB)
Title: Apparatus for providing a uniform intensity of light over a predetermined area
IPC: G03B27/16
Filed: 1965-06-02
Abstract: 1,115,928. Illuminating devices. MINNESOTA MINING & MANUFACTURING CO. 2 June, 1965 [24 June, 1964], No. 23617/66. Heading F4R. [Also in Division G2] A light source for contact printing apparatus comprises a single tubular lamp 14 placed at the junction of two arcuate reflectors 13. The upper part of each reflector is displaced to form a ventilation slot 19. Closely above the lamp is a curved shield 15, which serves to guide cooling air round the lamp. This shield may be transparent, or may be a polished aluminium trough (15<SP>1</SP>, Fig. 6, not shown) having staggered slots (25), which latter produces a more evenly spread illumination. Flat end reflectors (12, Fig. 1, not shown) define the exposure area of the glass plate 16 which forms the work support. Cooling air is forced through the apparatus from an entry opening 18 at one side to an exit opening 18 at the other. In the modification of Fig. 3 (not shown), the inner edges of the reflectors are replaced by a pair of narrow flat specular reflectors (23) of partially silvered glass. These reflect visible light but transmit the infra-red rays, which are then absorbed by a metal radiator (24) just below them. The arrangement is designed to give a very uniform illumination over the whole exposure area of the glass plate 16.
Patent GB-1057736-A (GB)
Title: Candying apparatus
IPC: A23G3/26
Filed: 1964-06-08
Abstract: 1,057,736. Coating apparatus. P. PELLEGRINI. June 8, 1964 [March 7, 1964], No. 23651/64. Heading A2A. [Also in Division B1] A candying apparatus for the manufacture of coated confectionery and medicinal pills comprises a cylindrical drum 1 whose ends are tapered in the form of truncated cones 1B, 1C, with openings 1E, 1F, and a plurality of agitation blades 24 staggered from each other and arranged around the central portion 1A of the drum on the inside, whereby during rotation of the drum the material to be candied is rolled up and mixed. In a preferred construction, the drum consists of three portions 1A, 1B and 1C welded to each other, the agitating blades, are formed from the drum body by a deep-drawing operation, and the central portion 1A of the drum includes a door 40 for discharging the candied material and for washing fluid (as appropriate). In the further construction of Fig. 3 (not shown) the truncated cones (1B, 1C) have convex walls and the blades (24) are ribbed. The drum is fixed to two annular crowns 27, 28, supported by two pairs of rubberised driving rollers 4, 5; this frictional drive may be augmented by a pinion drive (not shown). The rotational rate is adjusted by the lateral movement of motor 20 and selfexpanding pulley 19.
Patent GB-461897-A (GB)
Title: Improvements in vehicles for transporting liquids
IPC: B60P3/22
Filed: 1935-08-23
Abstract: 461,897. Tank vehicles. TENNANT, W. J. (Tatra Works Ltd. Motor Car & Railway Carriage & Wagon Builders) Aug. 23, 1935, No. 23654. [Classes 103 (iv) and 108 (i)] In a tank wagon a central chassis member passes entirely through the receptacle for the liquid and is fastened to the end surfaces of the receptacle in a liquid-tight manner, or the receptacle is provided with a wall entirely or partly surrounding the central chassis member. As shown, the central supporting underframe member 1 passes through the tank, a surrounding tube 9 being welded to the end walls 8, 8a. The member 1 is provided with supports 5, 6 adapted to be secured to brackets 7 on the tank and the axles and springs &c. are secured to the central member 1 in known manner. In modifications the member 1 may fit tightly in the tube 9 or may pass through the tank and be welded to the end walls without a tube, or it may pass through a channel shaped recess formed in the lower part of the tank.
Patent GB-225960-A (GB)
Title: Improvements in or relating to circular knitting machines
IPC: D04B15/00
Filed: 1923-09-22
Abstract: 225,960. Blackburn & Sons, Ltd., G., and Towers, E. J. Sept. 22, 1923. Circular machines. - A multi-feed rib machine, for producing vertical stripes and other ornamental effects, is provided with two kinds of needles arranged in groups, one kind having short butts and latches of normal length, and the others, longer butts and longer latches, one kind knitting the thread from alternate feeders and the other kind knitting the threads from the remaining feeders. Fig. 1 shows the cams of a two-feed machine, the clearing cam E, at the feeder which is to supply its thread to the short-butted needles A only, raises both kinds of needles, but owing to their long latches B<2>, the long butted needles B do not clear. The knitting cam F at this feeder has two actuating faces F<1>, F<2>, the leading face F<1>, which is sunk below the face F<2>, engaging only the needles B, which are thereby drawn down too early to take the thread, which is taken by the needles A when drawn down by the face F<2>. The clearing cam G at the feeder which is to deliver its thread to the needles B engages only, by reason of its reduced thickness, the long butts B' of these needles, which are thereby raised high enough to clear, the needles A remaining stationary. In making vertical stripes the dial needles take and knit the threads from all the feeders, additional effects being obtained by employing the two kinds of needles, actuated in a similar manner, in the dial.
Patent GB-293232-A (GB)
Title: Glueing process and a process for the preparation of a suitable glue therefor
IPC: C09J189/00
Filed: 1927-09-09
Abstract: 293,232. Klingspor, C. Sept. 9, 1927. Adhesives are made by adding to a glue dissolved or steeped in water, a condensation product of a phenol and formaldehyde, either as a condensate oil or in solution. The mixing should be performed slowly, at a temperature not exceeding 75‹ C. An example is given. Coating processes.-A glueing process comprises applying an adhesive as previously described and heating to a temperature not above 200‹ C., advantageously 145‹ C. The heating may be by stages at increasing temperatures.
Patent GB-1429764-A (GB)
Title: Furniture frames
IPC: A47B7/02
Filed: 1972-05-19
Abstract: 1429764 Stackable furniture REMPLOY Ltd 18 May 1973 [19 May 1972] 23750/72 Heading A4H [Also in Division F2] A stacking furniture frame comprises a substantially horizontal support and two legs extending therefrom, each leg being spaced from the support in a direction transverse to the leg by a stacking member that is elongate in a direction transverse to the leg, each stacking member, in plan, having a projection at one end detachably secured in a socket in the support and a recess at the other end detachably securing the leg therein, such that the frame can be dismantled and re-assembled as a non-stacking frame by omitting the stacking members and detachably securing the legs to the sockets of the supports. As shown, a stacking table 26 comprises a top supporting channel section sub-frame 14, 16 braced by corner  plates 18 and four legs 20 connected to the subframe by respective stacking members 28 each provided with an elongate bore that receives the shank of a headed bolt 22a passed through plate 18 and threaded into a nut 24 on the hollow leg 20, or into the leg itself if it is solid. The leg 20 and stacking member 28 may receive a shroud (30). In the non-stacking table Fig. 1 (not shown), the legs 20 are secured to the sub-frame 14, 16 by shorter headed bolts (22). The stacking table 26 may include only two stacking members 28 associated with an adjacent pair of legs. The invention can also relate to chairs with two or more legs.