baber/WOPTO huggingface dataset:
Patent GB-149451-A (GB)
Title: Improvements in or relating to firearms
IPC: F41A3/66
Filed: 1919-05-20
Abstract: 149,451. Payne, O. V., and Auto-Ordnance Corporation. May 20, 1919. Breech actions, sliding breech-block. -Relates to automatic guns of the type described in Specifications 148,022, 148,023 and 149,452, and consists (1) in a receiver of special construction adapted to be closed by a slidable frame carrying a hand-grip and the firing-mechanism, and (2) in providing a second hand-grip beneath the barrel. In the form illustrated, the receiver R, which is of substantially the same external width and depth throughout, is shaped internally with a large rearward and a small forward section to accommodate the breech-bolt 3, 4. On the underside is provided a transverse opening 10 adapted to receive a magazine M, as described in Specification 149,592. Behind the magazine, the receiver is open below to enable the breech mechanism to be readily assembled or disassembled; the opening is closed by a frame F carrying a hand-grip G and the firing mechanism, as described in Specification 148,023, the frame having flanges 22, 23 adapted to slide into corresponding grooves in the receiver. A spring pin 27, Fig. 4, on the receiver secures the frame in position, the spring being so mounted that the pin cannot fall out of its socket. The grip G<1> carries a rearwardly extending lip adapted to engage a guideway 56 in the receiver.
Patent GB-661065-A (GB)
Title: Improvements in and relating to the manufacture of synthetic mica
IPC: C01B33/26
Filed: 1949-05-12
Abstract: 661,065. Synthetic mica. MULLARB RADIO VALVE CO., Ltd., and POPPER, P. March 1, 1950 [May 12, 1949], No. 12695/49. Class 56. Synthetic mica has a composition by weight of 10-15 per cent Al 2 O 3 , 23-35 per cent MgO, 30-40 per cent SiO 2 , 18-28 per cent K 2 SiF 6 , 0-5 per cent KF, and less than 0.05 per cent Fe. A preferred composition by weight is 11.5 per cent Al 2 O 3 , 29.7 per cent MgO, 35.7 per cent SiO 2 , 20.8 per cent K 2 SiF 6 , 2.2 per cent KF. The batch is heated in a covered crucible to prevent loss of fluorine, and cooled, the rate of cooling being adjusted to the natural crystal growth of the synthetic mica and vibration being avoided. The synthetic mica transmits well into the ultra violet and may be used for optical purposes for which natural mica is unsuitable. It may be used as thin windows, be fusion sealed to glass to make a hermetic seal, and he used as a window for ultra violet lamps, photo cells, electron multipliers and thermopiles, or as a carrier for an optical filter for use in the ultra violet. The mica windows can readily be secured to lime soda glass envelopes by utilising the known enamel seal technique as applied 'to thermionic valves. German Specifications 672,751 and 735,360 are referred to.
Patent GB-125614-A (GB)
Title: A Device for Restraining and Releasing Aeroplanes in Starting.
Inventor: POWER RICHARD FITZ
IPC: B64C35/00
Filed: 1916-09-09
Abstract: 125,614. Power, R. F. Sept. 9, 1916. Anchoring; starting. - Aeroplanes and air-ships are prevented from moving until the engine has attained full speed, by means of a detachable coupling which locks the wheels to the chassis until released by the pilot. In the form shown, couplings 6, adapted to engage studs, eyelets, &c. 3 on the wheels 1 and connected by a member 4 to a point 15 on the framework, are adapted to be released by means of Bowden mechanism 11 operated by the pilot from a handle 20. The coupling 6 is hinged at 7, Fig. 3, and normally held closed by a sleeve 8 retained in position by a spring 9, the Bowden mechanism 11 acting on the sleeve in opposition to the spring. A spring 12 may be provided in the member 4. Instead of two separate connexions 4, a cable may be provided connecting the couplings at the two sides of the machine. The couplings, when released, may be drawn up by a spring 30 and cable 31 so as to be visible by the pilot.
Patent GB-1055194-A (GB)
Title: Improvements in and relating to semiconductor assemblies
IPC: H01L23/467
Filed: 1964-03-26
Abstract: 1,055,194. Semi - conductor apparatus. BROWN, BOVERI & CO. Ltd. March 26, 1964 [March 28, 1963], No. 12810/64. Heading H1K. A cabinet containing a stack of air-cooled heat sinks each carrying semi-conductor devices includes guide rails for locating the elements of the stack without being attached thereto, and clamped end frames. Fig. 1 shows a plurality of diodes 3 mounted in heat sinks 2 separated by insulator strips 4, the strips being positioned between guide rails 13 on walls 1 between end panels 5 and 6. Support 5 supports fan 9 which provides a vertical current of air for cooling. Another embodiment is described utilizing horizontal air current cooling with slanting cooling duct passages arranged between diode strips.
Patent GB-455972-A (GB)
Title: Improvements in or relating to television and like apparatus
IPC: H04N3/04
Filed: 1935-04-30
Abstract: 455,972. Television. WILSON, J. C., 24, Whitworth Park Mansions, Moss Lane East, Manchester, and BAIRD TELEVISION, Ltd., 58, Victoria Street, Westminster. April 30, 1935, No. 12896. [Class 40 (iii)] Scanning or reconstituting apparatus for television comprises one or more parallel plates of light-refracting material adapted to produce cyclic displacement without angular deviation of light rays proceeding from or to a scanning aperture. As shown in Fig. 1, plates 1 of glass are reciprocated in front of the scanning area 3 of a disc 2 which makes a complete revolution whilst one or other of the plates is in the scanning path. The plates 1 are oppositely inclined so that the lines of successive pictures are oppositely displaced. In a modification, Fig. 3, the scanning ray passes through inclined glass spokes 6 secured to a disc 7 and through the intervening spaces during successive revolutions of the scanning disc 2. A neutral tint filter may be interposed when the ray passes through the space between the spokes 6. The disc 2 may be replaced by an apertured drum or band or by a single aperture in conjunction with a lens disc or mirror drum.
Patent GB-373752-A (GB)
Title: Improvements relating to flyers of spinning, doubling and like machines
IPC: D01H7/48
Filed: 1931-05-02
Abstract: 373,752. Flyers for spinning, doubling, and like frames. HEAP, G., 4, Old Lane Terrace, Halifax, Yorkshire. May 2, 1931, No. 12969. [Class 120 (ii).] Flyers of spinning, doubling, and like machines for woollen or worsted yarns or threads have bifurcations B on the flyer legs A extending beyond the perimeter of the guide pulley housed between the same, such extensions facilitating threading up &c. The end parts may be detachable ; and the guide pulley or roller E is preferably mounted loosely on a pin &c. D in bores C of the forks B. Recesses H at each end of the pulleys may contain petroleum jelly or other solidified or high melting point lubricant, and a part G of the head of each fork may be recessed to avoid contact of the yarn with the head during winding.
Patent GB-131133-A (GB)
Title: Improved Means for Indicating Deviation or Inclination or for Manoeuvring applicable for use with Aircraft such as Aeroplanes.
Inventor: SAXTON THOMAS WILLIAM
IPC: B64D45/00
Filed: 1918-08-12
Abstract: 131,133. Saxton, T. W. Aug. 12, 1918. Clinometers.-Relates to a universal electri. cally-acting clinometer for use on aeroplanes &c. and applicable for operating reversible motors which actuate the controls of the aeroplane. As shown in elevation in Fig. 2, a poise 1, consisting of a box containing the accumulators, is pivoted at 6 in a gimbal bearing 5 so that, when the machine banks, electric connexion is made between a terminal 21 and one of the terminals 24, 25 and thus energizes a lamp 3 or 4 or other indicator or a reversible motor which automatically actuates the controls of the aeroplane. The terminal 21 makes permanent connexion with a contact-carrying rocking-lever 15, the lower end of which carries vanes 17 moved by a rod 18 on the top of the poise 1. Upward or downward movement of the nose of the aeroplane causes a similar switch device placed behind the gimbal 5 to operate a lamp &c. 2, 2<1> respectively or another reversible motor for actuating the controls. The fixed frame 8, Fig. 2, may be rotatably mounted on the instrument board 11, Fig. 7. A spindle 49 passes through the board, one end being connected to an extension 9 of frame 8 by a cross pin 44, the other end carrying spiders 45 on which are mounted friction rollers 46, 47. This mounting is fitted with a brake which keeps the frame 8 in fixed position except when the machine is stunting.
Patent GB-852105-A (GB)
Title: A tubular body of concrete or the like
Inventor: SEAMAN FRANCIS EUGENE
IPC: B28B21/60
Filed: 1959-04-17
Abstract: 852,105. Concrete pipes ; rod joints. LOCK JOINT PIPE CO. April 17, 1959 [March 20, 1958], No. 13130/59. Classes 99(1) and 99(2). In a pipe of originally plastic and subsequently hardened material, such as concrete, circumferentially spaced, embedded, pretensioned longitudinal high-tensile steel wires 11, 12, Figs. 3, 6, subjecting the pipe to longitudinal compressive strain, are connected in pairs by embedded loops 14, 19, adjacent loops being engaged by pretensioned U-shaped anchoring wires 16 embedded in the ends of the pipe, the wires 16 and loops 14 subjecting the adjacent material of the pipe to circumferential compressive strain. As shown, the wires 11, 12 and the loops 14, 19 constitute links 13 formed in one piece the ends of which are fastened by a compressed mild steel sleeve 27 having a lining 29, Fig. 10, which includes sharp particles of a hard material which bite into the wire and the sleeve when the latter is compressed. In constructing the pipe the ends of adjacent links 13 are secured by the anchoring wires 16 extending through end plates 31, 32 of a centrifugal mould, Fig. 7, and held at one end of the mould by anchors 33 and at the other end by a clamping device which consists of a fixed outer member 34 bearing on the mould end 32 and a movable wedge plate 35 which secure the wires 16 in place after tension is applied thereto by a suitable traction device. Concrete is added to the mould which is rotated until the concrete hardens when the clamping devices and the mould are removed. After sufficient curing of the concrete the anchoring wires are severed within the concrete. The pipe is circumferentially compressed by tensioned wire helically wound in contact with the exterior of the concrete and covered with mortar. In a modification, not shown, the connecting-loops of the longitudinal wires extend between every other anchoring wire. Specification 692,354 is referred to.
Patent GB-131642-A (GB)
IPC: C01B21/26
Abstract: 131,642. Bousfield, W. R., and Nobel's Explosives Co. July 2, 1918. Nitrogen peroxide; nitric acid.-The absorption of nitrogen peroxide from gases such as those obtained by the oxidation of ammonia or by arc processes, is effected by strong nitric acid with sufficient cooling to absorb the heat liberated. Particulars are given as to the amount of cooling required. In dealing with the products of the oxidation of ammonia, the bulk of the water is preferably removed by a preliminary cooling before absorption in the nitric acid. The nitrogen peroxide is recovered by distillation, and the nitric acid, after concentration if necessary, is used again; or the solution may be oxidized by means of oxygen in the known manner to produce nitric acid; or liquid nitrogen peroxide may be added to produce the known separation into two layers, from one of which 90-100 per cent. acid is obtained. The apparatus employed, when nitric acid is to be produced, is a combination of four elements each of which is known per se, namely, means for producing a gas mixture containing nitrogen peroxide, means for bringing the gas into contact with liquid nitric acid, means for cooling the nitric acid, and means for oxidizing the solution. Reference has been directed by the Comptroller to Specification 1143/11.
Patent GB-1118002-A (GB)
Title: Reactive azo dyestuffs
Inventor: ANDREW HERBERT FRANCIS
IPC: C09B62/44
Filed: 1965-03-29
Abstract: Azo dyes of general formula <FORM:1118002/C4-C5/1> in which R and R2 are benzene or naphthalene radicals which are free from hydroxyl groups but which may carry other substituents, R1 is a 1,4-phenylene or 1,4-naphthylene radical which may carry substituents, m and n represent integers of at most 6, P is 1 or 2, 2 and 21 are the same or different reactive acyl groups, the radicals R, R1, 2 and 21 being so chosen that the azo dyestuff contains at least two preferably at least three acid water-solubilizing groups are prepared by conventional acylating processes.  Preferably 2 and 21 are chlorotriazinyl or chloropyrimidinyl radicals.  The dyes give red-yellow shades when used in natural or regenerated cellulose.
Patent GB-1440623-A (GB)
Title: Thiazolidinones
IPC: C07D277/14
Filed: 1973-03-20
Abstract: 1440623 Thiazolidine derivatives IMPERIAL CHEMICAL INDUSTRIES Ltd 24 April 1974 [20 March 1973] 13302/73 Heading C2C Novel compounds of formula where R<SP>1</SP> and R<SP>2</SP> are H or C 1-10  alkyl or together complete an alicyclic ring are prepared by reacting with sulphur monochloride, generally in the presence of an acid-binding agent. The products are used as sulphur donors in rubber vulcanization.
Patent GB-133573-A (GB)
IPC: B43K29/04
Abstract: 133,573. Nicol, E. W. L. Jan. 25, 1919. Blotting appliances. - A blotter attachment designed for use at the nib end of a penholder consists of a forked carrier e which may be adjustably secured on the penholder h by a sleeve or clip g, or may be made integral with the penholder or nib socket, and supports a blotting pad or roller a in position for use without the necessity for changing the method of holding the pen or reversing its position. The blotter may be a stationary or revolving pad or block of absorbent pulp &c., or a roll of blotting-paper perforated for renewal of the surface and provided with a spring or other brake for preventing accidental unwinding. Insertion and removal of the blotter is facilitated by making the ends d of the forked carrier e yielding, or by hinging one or both ends. A roller spindle b having conical ends may be received in sockets in the ends d, and in this case the sockets may be formed with a gap to facilitate insertion and removal of the spindle. The blotter can be located either above or below the nib by rotating the sleeve g; according to the Provisional Specification, the forked carrier may be hinged for angular adjustment,
Patent GB-1137771-A (GB)
Title: Support spacer in electron discharge devices
IPC: H01J29/82
Filed: 1966-03-25
Abstract: 1,137,771. Cathode-ray tubes. SYLVANIA ELECTRIC PRODUCTS Inc. 25 March, 1966 [1 April, 1965], No. 13403/66. Heading H1D. The gum electrode assembly 23 of a cathoderay tube is supported within the envelope by a number of resilient spacers 25, each spacer 25 comprising inner and outer legs 53, 55 with radially spaced feet 59, 61 and joined together at their outer ends 57. The inner leg acts so as to resiliently support the outer leg in contact with the envelope. The legs may have transverse cambers to increase their rigidity. The legs may merge at their outer ends in a common bond to form a single integral member. The feet portions of the legs may extend radially of, or parallel to, the axis of the tube and may be attached to member 51 on the same or opposite sides, or one foot may be attached to a peripheral lip on member 51.
Patent GB-232068-A (GB)
Title: Improvements relating to facing point locks for railways and the like
IPC: B61L5/10
Filed: 1924-05-31
Abstract: 232,068. Every, W. S., and Westing- house Brake & Saxby Signal Co., Ltd. May 31, 1924. Locking-bolts.-In a facing-point lock, the plunger 1 is itself locked by a bolt 5 actuated by electromagnets 7, which are energized to release the bolt during the preliminary movement of the point lever. The bolt 5 is carried by a lever 6 having an arm 8 which closes contacts 9 to give an indication that the bolt is home or to release the lever for its final movement.
Patent GB-679689-A (GB)
Title: Apparatus for the regulation of electrical voltages
IPC: G05D23/24
Filed: 1950-05-30
Abstract: 679,689. Automatic voltage control systems. THURSTON, A. P. (Soc. Anon. des Manufactures des Glaces et Produits Chimiques de St.-Gobain, Chauny, & Cirey). May 30, 1950, No. 13462/50. Class 38 (iv). The average voltage between electrodes 2, 2<SP>1</SP>, is maintained constant by an induction regulator 6 driven by a reversible 3-phase motor 7. The direction of rotation of the motor is determined by reversing relays 22, 23, which are selectively energised by a valve 21 controlled according to the space-current of a diode 9, the filament of which is connected across the electrodes 2, 2<SP>1</SP>. The filament is operated below normal working temperature so that it has a long time constant.
Patent GB-582603-A (GB)
Title: Improvements in or relating to tuning mechanism for hollow electrical resonators
IPC: H01P7/06
Filed: 1944-07-13
Abstract: 582,603. Linkwork. BARFORD, N. C. July 13, 1944, No. 13463. [Class 80 (iii)] [Also in Group XL] An adjusting device particularly for tuning an electrical resonator consists of an annular element 9 pivotally mounted on screws 10, 19, 20 which pass through a fixed ring 11. Motion of the element is communicated to the flexible wall 4 of resonator 5 through rod 12 whose lower end engages the element 9 and upper end a member 13 hinged at 14 to arm 15 which is in turn fixed to ring 11. Member 13 is connected by rod 16 to flexible diaphragm 8 which communicates axial movement to the wall 4 of the resonator through rod 7. Element 9 is kept in position by compression springs 21 and arm 13 by bar 25 and springs 24. Adjustment of screw 19 causes element 9 to pivot about an axis determined by screws 10 and 20 and causes relatively small movement of rod 12 giving fine adjustment, Fig. 3 (not shown) whereas adjustment of screw 20 causes relatively large movement of rod 12 giving coarse adjustment.
Patent GB-1517299-A (GB)
Title: Sewing machines
IPC: D05B21/00
Filed: 1975-08-12
Abstract: 1517299 Sewing machine UNION SPECIAL CORP 12 Aug 1975 [12 Aug 1974] 13534/77 Divided out of 1517297 Heading DIG A sewing machine has a needle, a work holder movable relative to the needle, drive means arranged to move the work holder and a homing assembly for positioning the work holder at a predetermined position relative to the needle, the homing assembly including a support, a shaft carried thereby and rotatable by the drive means in synchronism with movement of_the work holder, an indicator element rotatable with the shaft, a sensor responsive to the disposition of the element for producing control signals and circuitry responding to the control signals to control the drive means to position the work holder at the said position. The machine is that disclosed in Specification 1517296.
Patent GB-451135-A (GB)
Title: Improvements in or relating to snap-action electric switches
IPC: H01H21/42
Filed: 1935-05-09
Abstract: 451,135. Snap-action switches. FOSTER ENGINEERING CO., Ltd., and DOBSON, E., Apex Works, South Wimbledon, London. May 9, 1935, No. 13680. [Class 38 (v)] A snap-action switch comprises an insulating roller 2 carrying contact blades 3 and driven with lost-motion by a cranked spindle 10 connected by a deadcentre tension spring 5 to a fixed bracket 9. To reduce operating shocks on the roller 2, a rod 6 is placed inside the spring 5 to arrest the spindle 10 just before the roller 2 reaches its end positions, the roller completing its travel by its own inertia. The rod 6 may be replaced by a sleeve surrounding the spring 5, and instead of engaging a bracket may engage a rubber pad on the side of the casing. In addition, resilient pads may be placed to cushion the contact blades in their end positions.
Patent GB-1396306-A (GB)
Title: Carburetters for internal combustion engines
IPC: F02D9/10
Filed: 1971-05-07
Abstract: 1396306 Spray carburetters P S POLAK 31 July 1972 [7 May 1971] 13694/71 Heading F1B In a carburetter a plate-type throttle valvemember has a lip G, Fig. 1 occupying at least a quarter of the total periphery of the throttle valve plate and of extent downstream of between one quarter and one sixth of the diameter of the surrounding duct producing a diverging zone between the throttle valve-member and the duct wall when the throttle valve-member is in the partly open position.
Patent GB-413472-A (GB)
Title: An elastic connecting device between the floats and the body of a water plane
IPC: B64C35/00
Filed: 1933-05-11
Abstract: 413,472. Aircraft-float suspensions. MESSIER, Y. L., 179, Boulevard Brune, Paris. May 11, 1933, No. 13746. Convention date, May 14, 1932. [Class 4.] The floats of a seaplane are connected to the plane or fuselage at the front and rear by shook-absorbers which may be of the kind described in Specifications 321,035, [Class 108 (iii)], and 341,779, [Group XXXII]. One shock-absorber A<v>, Fig. 1, may have one part fixed to the machine or to the float and the other part t pivoted about a transverse axis 2 on the float or machine, a stay B bracing the shockabsorber longitudinally. The other shockabsorber A<@> may be pivoted at both ends 3, 4 and stayed laterally by inclined stays C<1> hinged about pivots coaxial with the pivot 3, or it may be fixed at one end and be provided with a sliding connection at the other. The shockabsorbers may be forwardly inclined instead of vertical. To meet longitudinal shocks, both members A<v>, A<r> may be pivoted and a third inclined shock-absorber A<m>, Fig. 5, provided. This member A<m> may be replaced by or combined with screw-gear for raising and lowering the float. For meeting lateral shocks the part t may be pivoted as shown in Fig. 6, and the rocking motion controlled by springs r. Two long stroke shock-absorbers designed to offer more resistance to opposite than to similar displacements are shown in Fig. 8. The spaces g above the liquid are filled with compressed gas and the spaces above and below the pistons are cross-connected as shown. Variations in volume due to the piston rods t effect the compression of the gas in the spaces g. Pairs of shock-absorbers side by side may be used at the front and rear of each float.
Patent GB-270907-A (GB)
Title: Improvements in or relating to cranes
IPC: B66C13/00
Filed: 1926-05-31
Abstract: 270,907. Wade, H., (Alliance Machine Co.). May 31, 1926. Overhead travellers and transporters. - In a ladle crane, the lifting beam 49 is suspended from the trolly 2 in bights of hoisting ropes 44 passing from drums 12 and round lower sheave blocks 43 on the beam and upper sheave blocks 42 on swinging beams 52 hanging from pivots 54 parallel to the drums. The ropes are reeved so as to bend always in the same direction. The provision of the swinging beams 52 prevents swing- ing of the load on starting the movement of the bridge 2a.