baber/WOPTO huggingface dataset:
Patent GB-501663-A (GB)
Title: Improvements in or relating to fastenings for stair carpets
IPC: A47G27/06
Filed: 1937-09-03
Abstract: 501,663. Stair- - carpet fasteners. WEATHERILL, A. Sept. 3, 1937, No. 24139. [Class 52 (v)] A stair-carpet fastener comprises a bar or strip 1 secured to the stair tread behind the carpet and provided . between its longitudinal edges with carpet-gripping spikes 2 inclined rearwardly and adapted to be passed through the back of the carpet during laying so that the carpet is held into the angle of the stair. The bar is shorter than the width of the carpet and has keyhole slots 3 engaging screws 4 fixed in the tread. The spikes may be struck up as shown or welded to the strip, or the strip may be of wood with nails driven through from underneath to form the spikes. The strip may be held in eyes adjacent the edges of the carpet and according to the Provisional Specification may be fitted to the riser.
Patent GB-1173705-A (GB)
Title: Process for the Manufacture of alpha-Triorganosiloxy-omega-Hydroxy-Diorganopolysiloxanes.
IPC: C08G77/08
Filed: 1968-05-21
Abstract: 1,173,705. Organopolysiloxanes. WACKERCHEMIE G.m.b.H. 21 May, 1968 [31 May, 1967], No. 24179/68. Heading C3T. A siloxane of the average general formula R 3 SiO[SiR 2 O] n H, in which each R is a monovalent hydrocarbon or halo-hydrocarbon radical and n is an integer of at least 10, is made by reacting a cyclo-siloxane of the formula (R 2 SiO)m, wherein m is at least 3, with a silane of the formula R 3 SiX, in which X is a halogen atom, in the presence of FeCl 3  at room temp. to 200 C., and converting the resulting α-triorganosiloxy - # - halogenodiorganopolysiloxane in the presence of an alkali metal- or ammonium-hydrogen carbonate to the desired siloxane. Preferably, in the above formulµ, m is 4 to 9, X is chlorine, and R is methyl or phenyl. The first reaction is usually effected at 50 to 200 C. in the presence or absence of inert organic solvents, and during the replacement of the chlorine atom by an hydroxyl group under anhydrous conditions, the FeCl 3  is simultaneously converted to Fe(OH) 3  and can be filtered off with alkali halide and unreacted bicarbonate. The end-product can be modified by reaction with a silane of the formula R 2 SiZ 2  to form a siloxane of the general formula R 3 SiO[SiR 2 O] n - SiR 2 Z, wherein Z is an alkoxy, aryloxy, acyloxy, amino, aminoxy or oxime radical. In a typical Example (2) a mixture of Me 3 SiCl, (Me 2 SiO) 4  and FeCl 3  was heated for 15 hrs. at 100 C.; the cooled reaction mixture was then diluted with benzene and hydrolysed with NaHCO 3  under anhydrous conditions to yield, after filtration and removal of solvent, α-trimethylsiloxy-# hydroxy-dimethylpolysiloxane having a viscosity of 1050 cP/25 C. Uses.-As an internal plasticizer for siloxane resin or rubber moulding compositions.
Patent GB-1369562-A (GB)
Title: Wall construction
IPC: E04B2/76
Filed: 1972-05-23
Abstract: 1369562 Partition walls BPB INDUSTRIES Ltd 23 May 1972 [28 May 1971] 24256/72 Heading E1W A partition wall of rail and stud construction comprises a ceiling runner 1 of channel crosssection and vertical studs fitted between the flanges of the runner so as to leave gaps for the introduction of the wall boards 10, longitudinally spaced pairs of tabs 8 being dependent from and integral with the base of the runner for slidable engagement within each of the studs for positioning same. Additional studs may be positioned in the runners by a clip 15 having locating prongs 16 to engage the runner and dependent flanges 18 to locate the stud. Upper and lower wall boards have abutting tapered edges which is finished flat by means of a jointing compound and a tape.
Patent GB-408230-A (GB)
Title: Improvements in or relating to the manufacture of cyclic ethers
Filed: 1932-09-01
Abstract: Cyclic ethers such as diglycerol triether and dioxane are produced by condensation of glycols, glycerol, or other polyhydric alcohols by means of hydrochloric acid.  The temperature may be 100--200 DEG  C. for dioxane, and 170--300 DEG  C. for diglycerol triether, and normal, reduced or increased pressure may be employed.  Dry hydrochloric acid may be introduced into the heated alcohol through a porous plate, the liquid being stirred, and the ether may be removed in vapour form as it is produced.  The alcohol may be dissolved in inert solvents such as tetrahydronaphthalene, and an entraining agent capable of removing the ether as an azeotropic mixture may be present, and may also act as diluent.  The water produced, and any water initially present may be removed as an azeotropic mixture with an entraining agent which may be initially present or may be added to the issuing vapours.  Alternatively, the reaction may be effected so that the ether is continually returned to the reaction zone, while the water vapour, with or without an entraining agent, escapes. This may be effected by the use of a fractionating column containing Raschig rings.  Or the ether may be separated by treating the vapours from the reaction zone with a liquid immiscible with the ether and at a temperature between the boiling points of water and the ether; or the vapours may be treated with a liquid which dissolves the ether but not water; or the vapours may be passed over water-binding substances, preferably after separating the greater part of the water as by fractional condensation.  Hydrochloric acid in the product may be neutralized by treating the vapours or the condensate with a neutralizing agent, but preferably the water is condensed with much of the hydrochloric acid and the ether then condensed and treated with a neutralizing agent.  When a solvent or diluent is employed, the ether may be separated therefrom by means of an entraining agent. In an example, glycerol is heated to 250--260 DEG  C. and hydrochloric acid introduced through a distributor, the reaction vessel being connected to a fractionating column, the top of which is kept at 110--120 DEG  C.; the condensate is neutralized and the ether extracted by distillation or a solvent.  The invention may be applied to the production of ethers of erythritol or other polyhydroxy compound, and asymmetric ethers may be produced, for instance, hydroxymethyl dioxane from a mixture of glycol and glycerol.  Also mixtures may be produced by adding formaldehyde, acetaldehyde, acetone or their homologues to the polyhydric alcohol so as to produce condensation products with the polyhydric alcohol together with ethers of the polyhydric alcohol, such mixtures being valuable solvents.  Specification 396,761 is referred to.
Patent GB-452345-A (GB)
Title: Colour cinematography
IPC: G03C7/22
Filed: 1935-09-02
Abstract: 452,345. Colour photography. DOLGORUKI, E. SANDERS-, 14, Wetherby Gardens, Earl's Court, London. Sept. 2, 1935, No. 24457. [Class 98 (ii)] A method of obtaining colour-component negatives for colour cinematography by means of multi-layer packs having several emulsion layers carried by suitable supports each carrying one layer, wherein each emulsion contains a smaller (one third or less) amount of lightsensitive silver salts than a normal emulsion, consists in treating each emulsion after development with reagents which add to each molecule of silver in the images additional molecules of silver or copper so as to obtain images from which prints can be taken by normal printing processes. In an example the emulsions contain about one-seventh part of the normal amount of silver bromide, and after exposure the films are developed, fixed and washed. The images are bleached in a bath containing copper sulphate and potassium.iodide, and the bleached films are placed in a bath containing alkali hydrosulphite and bisulphite. The films are then washed, dried, and varnished. The potassium iodide may be replaced by potassium ferricyanide or sulphide, but not by potassium bromide or thiocyanate. The copper in the intensified image may be replaced by silver by treatment in a bath containing silver nitrate and sodium acetate, then in a bath containing ammonia, and then either in an alkali hydrosulphide bath or in an alkaline diamidophenol bath. The films may be exposed in a split-beam camera.
Patent GB-1431054-A (GB)
Title: Vehicle safety belt retractors
IPC: B60R22/405
Filed: 1972-05-24
Abstract: 1431054 Safety harness KANGOL MAGNET Ltd 22 May 1973 [24 May 1972] 24541/ 72 Heading A3U  A vehicle safety belt retractor includes a housing 1 rotatably supporting a shaft 2 from which a belt may unwind against the tension of a rewind spring (not shown), a first member or flywheel 10 journalled on the shaft 2 and a second or catch member 14 which is movable by the flywheel on acceleration of the shaft 2 relative to the flywheel to a locking position where it is engaged between the shaft 2 and a housing portion. The catch member 14 is mounted on an eccentric extension 12 of the shaft 2 and is normally rotated with the flywheel by a spring (not shown) between the catch member and a stud 13 of the flywheel. On acceleration of the shaft 2 a second stud 15 of the flywheel rotates the catch member 14 about the extension 12 until a tooth 16 engages an internally toothed annulus 18 to stop the shaft 2 and the belt thereon. The annulus 18 is part of the housing (Fig. 7, not shown) or, as shown, part of a member 20 connected thereto by an energy absorber comprising alternate internally and externally toothed discs engaging splines 21 and 22 of the member 20 and the housing and separated by Belville washers.  The catch member 14 may be actuated by a solenoid device within the bush 32 and responsive to vehicle acceleration or speed to lock the belt. The flywheel 10 has external teeth 11 which are engageable, to actuate the catch member 14 and lock the belt, by the tip 29 of, a lever 28 when the lever 28 is moved by a bell-shaped pendulum mass 24 which is pivoted on a pin 25 in response to acceleration/ deceleration or lifting of a vehicle. An alternative pendulum mass (Figs. 5 to 7, not shown) is as described in Patent 1421071.
Patent GB-1262550-A (GB)
Title: Frequency discriminator
IPC: H03K9/06
Filed: 1969-05-14
Abstract: 1,262,550. Frequency discriminators; suppressing noise modulation. INTERNATIONAL STANDARD ELECTRIC CORP. 14 May, 1969 [18 May, 1968], No. 24544/69. Addition to 1,152,313. Headings H3A and H3R. In a frequency discriminator for frequency modulated signals which are shaped to produce a train of pulses spaced in time in response to the modulation signal, input signals are applied to a semi-conductor device, i.e. transistor 3, which has a time lapse between the application of the signal and its becoming non-conductive in response thereto, the output of the semiconductor device being an inverted input pulse train having pulses whose duration is equal to the spaces of the input-signal plus the time lapse. The input and output signals are added, in AND gate 5 to form pulses having a constant duration and spaced in response to the modulating signal. The added signal is applied to a second semi-conductor device, i.e. transistor 13, having a time lapse between the application of the signal and its becoming non-conductive thereto, which is not less than the shortest time between two pulses in the added signal. The output signal of the second semi-conductor device is integrated by diode 15 and capacitor 16, to produce a demodulated output signal. In a first embodiment (Fig. 1, not shown), the time lapse of the transistor 13 is fixed, a fixed bias being applied via a resistor to its base, and an output is taken across the R.C. filter circuit 16, 17. In the embodiment shown, the filter circuit 16, 17 is followed by an emitter-follower output transistor 18 and the transistor 13 is given a sliding D.C. bias derived from the output of this stage via a smoothing network 19, 20, 21. A resistor may be placed in series with the capacitor 20 so as to give negative feedback at signal frequencies, so as to linearize the detector.
Patent GB-1488339-A (GB)
Title: Method of making surface active silica
IPC: C01B33/12
Filed: 1976-06-14
Abstract: 1488339 Surface-active silica STEIRISCHE MAGNESIT-INDUSTRIES AG 14 June 1976 [13 June 1975] 24573/76 Heading ClA [Also in Division C6] Surface-active silica is obtained by treating serpentine of composition (per cent by wt.) SiO 2  30-45, loss on ignition 0À1-18, Al 2 O 3 + TiO 2  0-2, Fe 2 O 3  0-10, CaO 0-2, MgO 40-55 and Ni 0-0À5, of grain size not greater than 5 mm., with hydrochloric acid, stopping the treatment when the undissolved residue is 35-70% by wt. of the original, and separating and drying the residual silica. The acid treatment may be conducted in stages and the acid may be hot or cold.
Patent GB-755580-A (GB)
Title: Improved process for the production of voluminous yarn
IPC: D02G1/02
Filed: 1954-08-24
Abstract: 755,580. Crimping and relaxing yarns; roller arrangements in textile spinning &c. machines. CELANESE CORPORATION OF AMERICA. Aug. 24, 1954 [Aug. 25, 1953], No. 24599/54. Classes 120 (2) and 120 (3). A yarn composed of continuous filaments of filament-forming materials capable of being brought to a plastic state, e.g. cellulose derivatives such as cellulose acetate, polyamides such as polyhexamethylene adipamide, polysulphones, polyaminotriazoles, polyesters such as polyethylene terephthalate, vinyl polymers and copolymers such as vinyl chloride/vinyl acetate copolymer, is rendered voluminous by virtue of crimp imparted to the filaments; the yarn is made plastic, as by heat and/or steam treatments, twist, e.g. 23-122 turns per inch, is imparted (as by use of a false-twist spindle) and then removed (as by the same spindle) and the yarn is relaxed to a controlled degree, e.g. by 10-50 per cent, as by passage between pairs of draw rolls the second of which receive the yarn at a lower speed than the first. As shown, a bobbin 11 supplies yarn 12 which passes through a guide 13, tension gate 14 or feeding rollers (not shown), guide 15 into a heating chamber 16, wherein it is rendered plastic, through a falsetwist spindle 17 of the type shown in Specification 752,526, then through guide 18 and sets of draw rolls 19 and 21 driven by belts 22 and 23 or gears (not shown) at differential speeds, and guide 24 to a take-up bobbin 25. Fig. 2 shows a modified take-up apparatus comprising guide 35, traverse guide 37, and bobbin 38 driven by a toll 39 at a speed so related to the speed at which the yarn leaves the rolls 19 that a desired relaxation of the yarn occurs.
Patent GB-599650-A (GB)
Title: Improvements in safety devices for drop hammers, power presses and the like
IPC: F16P3/04
Filed: 1945-09-22
Abstract: 599,650. Machinery guards. HAWKER AIRCRAFT, Ltd., BEANLAND, J. H., and HUTCHINGS, F. H. Sept. 22, 1945, No. 24602. [Class 80(iv)] In a drop hammer, power press or like machine having two or more separate safety gates, for example back and front gates, each gate is associated with a control device to prevent operation of the machine until the gate is closed. As shown, the posts 1, 2 of two parts of a trellis-type front gate supported on a rail 15 carry pivoted tapered members 11, 12 which co-operate to open a piston valve 5 in the supply line of a pressure-fluid operated machine only when the gate parts are together in closed position. A similar arrangement is provided for the rear gate. The gates are locked in the closed position by a vertically sliding fork 20 which engages the two innermost posts 21 of the two gates parts and which is only raised to unlock the gates when the tup 19 of the machine, having an engaging projection 23, is at rest in its topmost position. In an electrically actuated machine the valves 5 are replaced by switches.
Patent GB-929912-A (GB)
Title: A sunshade panel or screening panel
Inventor: GARTNER FRITZ
IPC: E06B9/36
Filed: 1961-07-07
Abstract: 929,912. Screens. J. GARTNER, H. GARTNER, A. GARTNER, T. SCHNITZLER, and K. GARTNER, [trading as JOSEF GARTNER & CO.]. July 7, 1961, No. 24718/61. Class 52 (4). A screen panel comprises metal sheets 1, 2 held in bowed form by tensioning members 5, the sheets being connected along their longitudinal edges by supporting strips 3 and connecting strips 4. The panel is pivoted about its central longitudinal axis by means of a tube 8 with bearings 9 for a pin 10 and a socket 11 for a ball 12. Beadings 22 of rubber or other resilient material contact similar beadings of adjacent panels.
Patent GB-1260103-A (GB)
Title: Disposable hypodermic syringe
Inventor: LINDER FRITZ
IPC: F16J1/00
Filed: 1970-05-21
Abstract: 1,260,103. Hypodermic syringes. F. LINDER. 21 May, 1970, No. 24748/70. Heading ASR. A hypodermic syringe comprises a cylinder 1, a push rod 3 provided with a plunger 4, said push rod and cylinder each being a single piece of plastics material, said plunger being provided with two sealing flanges 6, 7 supported by a peripheral collar 5 of plunger 4, said flanges extending away from said collar on axially opposite sides thereof and radially outward of the plunger, an annular groove 9 being formed between the inside of extension 8 and plunger 4. The rear and front seals are effective during aspiration and injection respectively.
Patent GB-694740-A (GB)
Title: Improvements in or relating to display cases or structures
Inventor: NEWCOMB HERBERT STANLEY
IPC: G09F5/02
Filed: 1950-10-10
Abstract: 694,740. Cabinets. WARERITE, Ltd. Oct. 10, 1951 [Oct. 10, 1950], No. 24756/50. Classes 52(i) and 52(iii) The front 18 and top 17 of a cabinet are trunnioned to the sides at or near the centre line of the top and can be swung upwardly to extend in line with the back of the cabinet. Shelves 23, 24 and fascia board 25 are provided for display purposes or the device may constitute a portable bar, the working surface 17 being extended by hinged flap or flaps 29, 30 which can be supported by false doors 27. Specification 680,032, [Group XVIII], is referred to.
Patent GB-927224-A (GB)
Title: Pivotal joints for universal movement
Inventor: COMPTON JACK BERNARD SPENCER
IPC: F16F1/393
Filed: 1959-07-20
Abstract: 927,224. Resilient joints. SILENTBLOC Ltd. July 7, 1960 [July 20, 1959], No. 24866/59 Class 108(3). A resilient joint, Fig. 2, comprises an inner member, 1, having a part-spherical annular outer surface 2, a concentric outer member comprising two portions 5, 6 with annular part-spherical inner surfaces and an annular resilient member 7 bonded to and in radial compression between the inner and outer members. It is made by positioning the portions 5, 6 of the outer member concentrically about the inner member with their adjacent edges. 5a, 6a held apart, preferably by a two piece ring 8 with its inner edge 9 extending towards but preferably not touching the inner member, disposing uncured rubber or like resilient material 10 between the inner and outer members and curing it (Fig. 1), withdrawing the ring 8 leaving an annular groove in the resilient material and drawing together the portions 5, 6 preferably until they touch, to compress the member 7 and securing them in position preferably by bolts 11 rivetting or spot-welding. In a modification (Fig. 4) the outer member comprises two portions 14, 15 with cylindrical outer surfaces which are either a force fit in a sleeve 16 and/or are held together by forming flanges 16a on the ends of the sleeve, the joint being made in a similar way to that already described.
Patent GB-1117079-A (GB)
Title: Air cooled apparatus for the open air cooking of edibles
IPC: A47J37/06
Filed: 1967-05-30
Abstract: 1,117,079. Surface griller or broiler. JENN-AIR CORPORATION. 30 May, 1967 [4 April, 1967], No. 24916/67. Heading A4D. A draught-cooled broiler unit comprises an outer casing 11, a burner box 14 mounted in box 11 with its bottom 16 spaced above bottom 15 of box 11 thus forming an air space 17, an electrical resistance heating element 20, a grill 23 horizontally disposed above and close to heating element 20, a fume exhaust system 25 which includes an intake 27, plenum chamber 28, fan 30, and a jar 38 which collects grease running from the sloping bottom 16 of box 14. In operation air is drawn through intake 27 thus carrying away smoke and grease laden vapours produced in cooking. In order to maintain the temperature of box 11 and box 4 within a range which enables broiler 10 to be installed in a counter top without creating a fire hazard and which reduces the possibility of a flash fire occurring from grease ignition an elongated slot 40 opening into space 17 and a second slot 43 are provided and optionally a slot 39. Under activation of fan 30 air is drawn through grill 23, slot 40 and intake 27 and out of slots 39 and 43 through the fan and out of exhaust 31 (see Fig. 2). The grill 23 may be optionally replaced by a solid hot plate (Fig. 5, not shown). Simulated charcoal briquettes of retractory type material may underlie heating element 20 to give a broiler unit closely resembling a charcoal barbecue unit (Fig. 4, not shown).
Patent GB-567226-A (GB)
Title: Improvements relating to guns for aircraft
IPC: F41A19/55
Filed: 1939-09-01
Abstract: 567.226. Automatic guns. ROE & CO., Ltd., A. V., BEASLEY, C. R. A., and BARNETT, C. W. Sept. 1, 1939, No. 25095. [Class 92 (ii)] Relates to gas-operated guns in which the breech block is automatically cocked by gas pressure and returned to firing position by a spring, and consists in preventing accidental fire by positively locking the sear holding the breech block cocked, the lock being released by hydraulic means which also moves the sear to fire only when the external cocking ram has returned to the " in " position. Fig. 6 shows the position of parts when the sear a has been operated to release the breech block (not shown) from its rear position to fire the gun. The pressure supply to the sear-operating plunger g is controlled from a firing-valve x connecting pressure pipe u with pipe z which supplies pressure liquid to plunger g only when pipe lines p, q have been cleared through an isolating-valve o by the return of the cocking-ram m. The plunger g moves a hook d to depress the sear a through a lever i and also operates a lever c Fig. 6a to unlock the spring plunger b which returns the sear when valve x is connected with exhaust pipe v. Lever c then returns to lock the plunger b to prevent accidental fire. The cocking-valve w controls the pressure supply from a pipe t through pipes y, 4 to the cocking-ram m and also through passage 3 to a plunger f for releasing the lever lock c on the plunger b.
Patent GB-879919-A (GB)
Title: Shaft couplings
Inventor: WINKLEY ALBERT WILLIAM
IPC: F16D3/06
Filed: 1959-07-22
Abstract: 879,919. Shaft couplings. LUCAS (INDUSTRIES) Ltd., JOSEPH. June 3, 1960 [July 22, 1959], No. 25105/59. Class 80 (2). Coaxial shafts, particularly for use in the drive of an ignition distributer rotor, are coupled by an intermediate collar 4 of sintered iron slidable on an oval-section part of one shaft 5 into abutment with a shoulder 11 thereof. The collar has facial dogs 6 drivingly engaging the other shaft (not shown), and slots 7 accommodating a pin 8 extending through a radial bore in the shaft 5. Pin 8 is retained radially by a helical spring 9 located between the dogs 6, which project radially beyond the collar, and shoulders 10 formed adjacent the base of the slots. The depth of the slots is such as to allow slight axial play of the collar between the shoulder 11 and the pin 8.