baber/WOPTO huggingface dataset:
Patent GB-1237396-A (GB)
Title: An acoustic tile laminate
IPC: E04B1/84
Filed: 1968-06-14
Abstract: 1,237,396. Paperboard. NATIONAL GYPSUM CO. 14 June, 1968 [15 June, 1967], No. 16323/68. Heading D2B. An acoustic tile comprises two layers, both of mineral-wool fibres, and a substantially continuous film of water-based latex paint between the two layers. This tile may be made by first making a slurry of clay, starch, wax emulsion, boric acid, sodium ortho-phenylphenate, sodium pentachlorophenate, mineral wool and water, mixing, removing shot, felting on a cylinder machine and laying the mat on trays. Latex paint is then sprayed on to the surface of the mat. A second slurry of ethylene oxide polymer, boric acid, starch, clay, stucco, wax emulsion, mineral wool and water is heated to cook the starch, mixed, laid on top of the latex layer and screeded to produce a travertine appearance. The slabs are then baked.
Patent GB-239645-A (GB)
Title: Improvements in towing-blocks or warp-guides
IPC: B63B35/14
Filed: 1924-07-08
Abstract: 239,645. Wise, G. S. July 8, 1924. Snatch. - blocks. - In snatch-blocks the removal of a broken roller is facilitated by holding it in place on the hinged spindle C by a detachable member E to which the closing member F of the block is pivoted. The member E is secured to the spindle by a screw bolt c and is provided with a boss e<1> which enters a recess in the roller. A removable wearing piece a<3> is mounted on the main frame A. A projection e<2> is formed on the bottom of the member E and may be struck by a hammer to remove the member from the spindle. When the member F is released, it rests on flats formed on the top of the boss-like enlargement E<1> of the member E.
Patent GB-150134-A (GB)
Title: Improvements in and relating to the hoods or covers of cabriolets and coupes
IPC: B60J7/12
Filed: 1919-06-30
Abstract: 150,134. Barnett, J. H. June 30,1919. Hoods.-The forward cant-rail of the hood of a cabriolet, coupÚ, or the like is hinged, by an extension plate thereon, to the rear cant-rail, whereby it is projected rearwardly in the folded position, and it co-operates with a link pivoted on the forward pillar to effect the raising and lowering of that pillar and the rear part of the hood. The forward cant-rail 1 is provided with a plate 3 which is hinged at 5 to the rearward cant-rail 2. The cant-rail 2 is hinged by a plate 13 to a plate 7 on the pillar 4. The link 9 hinged to the plate 7 has a slot in which works a pin 10 on the cant-rail 1. In the first part of the folding movement of the cant-rail 1, the link 9 is turned to the vertical position by the pin 10, and the face 11 of the link then abuts against a ledge 8 on the plate 7 so that further movement of the link about its pivot 9<1> is prevented. Further movement of the cant-rail 1 lowers the pillar 4, cant-rail 2, and rear pillar 16 to the horizontal position, with the cant-rail 1 disposed above and parallel to the cart-rail 2 and the pin 10 at the extremity of the link 9. During the first part of the movement of the cant-rail 1 in unfolding the hood, the members 4, 2, 16 are again unaffected until the link 9 reaches the vertical position, whereupon the face 12 abuts against the ledge 8, and the continued movement of the cant-rail 1 raises these members. In the unfolded position, Fig. 1, the plate 3 bears on the top of the pillar 4 and, as the link 9 also bears on the ledge 8, a rigid joint is provided. The hinge-plate 13 of the cant-rail 2 has surfaces 14, 15 adapted to contact with the ledge 8. A locking-device for the joint of the cant-rail 2 to the pillar 16, such as described in Specification 114,218, may be provided, and is adapted to be actuated by a rod 18 connected to the link 9.
Patent GB-820057-A (GB)
Title: Improvements in or relating to cupola furnaces
IPC: F27B1/02
Filed: 1956-05-28
Abstract: 820,057. Cupola furnaces. GUILLAMON, J. B. May 28, 1956 [June 1, 1955], No. 16457/56. Class 51 (2). A cupola furnace 1 connected to a forehearth 2 by a conduit leading from the hearth 18, comprises a shoot 21 leading from the forehearth 2 to a trap 3 in a slag-quenching tank 4 with a water-cooled exhaust pipe 5 leading from the top of the shoot, a baffle plate 27 preventing admixture of steam in the tank 4 with the combustion gases, a motor-controlled valve 8 controlling the supply of air to the furnace through bustle pipe 10<SP>1</SP> and tuyeres 17, and a motor-controlled valve 14 in the exhaust pipe. The level of water in the quenching tank 4 is controlled by a sliding plate 31, water being supplied at 33 and exhausted at 37. The trap 3 is also water-cooled. Control by the valves 8 and 14 enable the air passing up the furnace to be kept constant.
Patent GB-378575-A (GB)
Title: Improvements in and relating to metal sheet piling
IPC: E02D5/08
Filed: 1931-06-05
Abstract: 378,575. Piles. HENDERSON, H. M., 7, Cliff Gardens, and FRODINGHAM IRON & STEEL CO., Ltd., both in Scunthorpe, Lincolnshire. June 5, 1931, No. 16521. [Class 68 (ii).] A sheet pile member of trough, channel, S, Z, or other section has its edges turned approximately through a rightangle and formed with a dovetail-section end 4 ; in forming a wall, these ends are hooked together with an S-section interlocking bar 5 between them.
Patent GB-256021-A (GB)
Title: A refractory heat insulating material and process of manufacturing same
IPC: C04B35/14
Filed: 1925-06-27
Abstract: 256,021. Haddan, A. J. H., (Celite Co.). June 27, 1925. Plastic compositions containing diatomaceous earth.-A refractory heat-insulating material consisting principally of silica of higher specific gravity than diatomaceous earth is made by calcining bodies made of a mixture of diatomaceous earth, a catalytic inversion agent such as lime, and water. A binder such as ball clay, china clay, or feldspar is preferably added to the mixture, and a grog of calcined material may also be added. An example of a composition consists of 93 parts of diatomaceous earth, 5 parts of clay, and 2 parts of quicklime, mixed with 178-180 parts of water, moulded under low pressure, and fired to 1370‹ C. whereby most of the silica is converted into tridymite.
Patent GB-553323-A (GB)
Title: Improvements in or relating to devices for locking a nut or like threaded member on a bolt shank
IPC: F16B39/36
Filed: 1942-08-19
Abstract: 553,323. Locking nuts. BERRY, F. W., QUILTER, W., and WILKERSON, J. S. Aug. 19, 1942, No. 16619/41. [Class 89 (i)] A nut 10 has a conical split extension 11, through which the thread is continuous, engaging a correspondingly coned recess in a sleeve 15 formed externally to the same shape as the nut so that one spanner may simultaneously engage both parts. Projections 17 from the sleeve 15 engage recesses 18 in the nut. When the nut is locked by forcing the cone into the sleeve the projections 17 extend beyond the nut and indicate the locked condition. The ends of the projections may be bent inwards over the nut to provide secondary locking. The corners of the nut are cut away at 21 so that the spanner may pass over these flats to engage the corners of the sleeve to provide means for transmitting a blow to the sleeve to free it from the nut when unscrewing. The ends of the projections 17 may be struck or a flange may be provided on the sleeve for this purpose: The projections 17 may be formed on a washer placed between the sleeve and the work, and may engage recesses both on the sleeve and the nut. In a modification, the nut is placed next the work with the conical sleeve on the remote side for engagement with the sleeve which is forced into locking position by an additional nut. Other modifications are described in the Provisional Specification.
Patent GB-939433-A (GB)
Title: Character reading apparatus
IPC: G06K9/64
Filed: 1962-05-01
Abstract: 939,433. Automatic character reading. SPERRY RAND CORPORATION. May 1, 1962 [May 3, 1961], No. 16648/62. Class 106 (1). In a character recognition system of the kind in which the character is sensed, the signals stored and applied in parallel to recognition circuits, one for each character, the response voltage of each circuit being a measure of the correlation between the character sensed and the character which the circuit is designed to recognize, the response voltages of all the circuits are stored and means are provided to determine the highest to identify the character sensed. As described in Specification 911,905, the character is imaged by a shutter on the screen of a vidicon tube and scanned in a vertical raster by the electron beam. The characters are specially shaped to be within an array of small rectangles arranged in four columns and five rows. There are about twelve vertical scans across a character the scan strokes being much longer than the depth of the character. The output signals from each scan stroke are gated to take only a predetermined part consisting of five units above, five below and ten units of the character as shown in Fig. 6. These signals are stepped into a shift register by twenty clock pulses per stroke, the register having 240 stages of which, when the character signals are properly located in the store, 120 have usable outputs, there being both mark and space leads. Connections are made to appropriate combinations of these stages by means of resistors so that when an ideal character is stored the corresponding combination gives a maximum output on one of the ten character leads 0-9, Fig. 4. An Or-gate 58 connected by diodes 51 to all leads has an output proportional to the highest signal on any of the leads. When this reaches a predetermined value a threshold circuit 36, e.g. a Schmitt trigger, responds and applies a pulse through a delay device 60 to a trailing edge differentiator 64 which starts a staircase generator 61. At the same time the threshold circuit 36 produces a signal which cuts-off diodes 53 which normally allow capacitors 55 to follow the voltage excursions of the leads 0-9. Diodes 52 prevent back currents so that the capacitors are effectively cut-off, the voltages contained therein representing the response of the individual circuits at the moment the threshold circuit operated. The staircase generator output is applied to the other side of the capacitors 55 so that the outputs through diodes 56 rise together in steps, retaining their initial voltage differences. The highest signal first reaches the triggering level of threshold circuits 57 and the first to respond stops the generator. The character is now identified by a signal on one of the ten leads. A multiple output circuit 63 detects the presence of more than one output signal and causes an error hole to be punched in the output card or stops the apparatus.
Patent GB-691170-A (GB)
Title: Improvements relating to photographic reflex cameras
Inventor: STUDDERT MAURICE EYRE PERSSE
IPC: G03B19/12
Filed: 1949-07-13
Abstract: 691,170. Photographic reflex cameras. WRAY (CAMERAS), Ltd. July 13, 1950 [July 13, 1949], No. 16662/52. Divided out of 691,103. Drawings to Specification. Class 98 (i). In a photographic reflex camera, a small magnifying lens is mounted in contact with or a short distance from the focusing screen on the opposite side of the screen to the reflex mirror so that a highly magnified image of part of the field of view is seen in the view-finder superimposed on the image of the whole picture seen. The camera described is identical with that described in Specification 691,103.
Patent GB-415475-A (GB)
Title: Improvements in curtain supporting devices
IPC: A47H13/10
Filed: 1933-02-25
Abstract: 415,475. Suspending curtains. SMITH & DAVIS, Ltd., and SMITH, H. F., Hampton Street, Birmingham. Feb. 25, 1933, No. 16676/34. Divided on 413,424. [Class 52 (v).] In curtain runners comprising a U-shaped hanger 10 and two rollers each consisting of a headless pin 14 integral with a single flange 15 at one end, as described in Specification 372,979, the hanger is formed from wire bent at the end of each arm of the U into an eye 11 through which is threaded endwise the pin of one of the rollers, the arrangement being such that the flange of each roller prevents the pin of the other roller leaving the eye. The rollers are mounted in position prior to bending the hanger into its final U-shape and after bending, the hanger is flattened at 13 to remove springiness and prevent it opening in use.
Patent GB-973317-A (GB)
Title: Primary cell
IPC: H01M6/08
Filed: 1962-05-01
Abstract: 973,317. Batteries. KABUSHIKI KAISHA HITACHI SEISAKUSHO. May 1, 1962 [May 6, 1961], No. 16681/62. Heading H1B. A primary cell has a hollow cylinder 1 of, e.g. iron or copper sheet acting as an outer core, a metal cylinder 2 in intimate contact therewith and having a flange 3, a zinc anode 5 encompassed by electrolyte absorbing material 7 impregnated with an hydroxide electrolyte and a separator 8 and 9 of regenerated cellulose. The depolarizer is at 6 and is of manganese, mercury or copper oxides. An insulating packing 10 and a top cap 4 of metal complete the cell.
Patent GB-530516-A (GB)
Title: Improvements in the colouration of textile and other materials
IPC: D06P3/34
Filed: 1939-06-07
Abstract: 530,516. Dyeing textiles, &c. OLPIN, H. C., and WRIGHT, J. June 7, 1939, No. 16696. [Classes 2 (iii) and 15 (ii)] Cellulose ester or ester textile materials, films and like products, are coloured by applying thereto a 2 6-dihalogen-4-nitrobenzene-azo-arylamine having a primary amino group in p-position to the azo group. Specified diazo components are the 2 : 6-dichloro-, 2 : 6- dibromo- and 2-chloro-6-bromo-derivatives of 4-nitroaniline and specified coupling components are aniline, 3-chloraniline, 3-toluidine, 3-chloro-6-methoxyaniline, p-xylidine and cresidine. The dyes are obtainable with the use of the coupling component in the form of an N- substituted derivative, such as an N-α-sulphoalkyl, sulphamic acid or nitramic acid derivative with subsequent removal of the N-substituent, e.g. by hydrolysis. Examples relate to the dyeing of a cellulose acetate fabric, from Turkey red oil and soap baths, (1) golden orange shades with the dyestuffs, 2:6-dichloro-4- nitroaniline # laniline or 3-chloroaniline; (2) a golden brown shade with the dyestuff, 2 : 6- dichloro-4-nitroaniline # cresidine. The dyeings are fast to light and washing and readily dischargeable, e.g. with zinc formaldehydesulphoxylate.
Patent GB-1249306-A (GB)
Title: Fluid-cooled nuclear reactors
Inventor: WALKER ALEXANDER
IPC: G21C19/20
Filed: 1968-04-08
Abstract: 1,249,306. Moderator structures. BRITISH NUCLEAR DESIGN & CONSTRUCTION Ltd. 28 March, 1969 [8 April, 1968], No. 16794/68. Heading G6C. In a high temperature, helium cooled, nuclear reactor, the moderator columns 1, are formed of blocks of isotropic graphite. Each column is supported by tie rods 3 and fixed pillars 4, and is separated from the adjacent pillars by the clearances 7, which allow for thermal expansion and bowing due to irradiation. The circumference of the standpipe, 5, is large enough to include the centre axes of a group of three adjacent columns and the tie rod 3 for each column 1 of each group is carried by the standpipe closure for the respective standpipe.
Patent GB-497353-A (GB)
Title: Manufacture of substituted benzenecarboxylic acids
IPC: C07C51/29
Filed: 1937-06-17
Abstract: Benzene carboxylic acids and salts thereof are manufactured by oxidizing with a hypohalogenite solution an acetophenone or an o -halogen acetophenone which is substituted in the nucleus by one or more aliphatic or cycloaliphatic hydrocarbon radicals, of which at least one has at least twelve carbon atoms.  The products may be used instead of or in addition to soaps.  The starting materials are obtained by condensing acetic acid halide or halogen-acetic acid halide with a suitably substituted benzene hydrocarbon which may be obtained by catalytic reduction of ketones obtained from a benzene hydrocarbon and a higher fatty acid halide, or by condensing a benzene hydrocarbon with a higher aliphatic or cycloaliphatic olefine, an alkyl halide, or the product obtained by chlorinating a mixture containing hydroaromatic hydrocarbons and obtained by hydrogenation of coal. A crude acetophenone or o -halogen acetophenone may be employed with an excess of hypohalogenite solution.  The carboxylic acids are precipitated by addition of acid and may be converted into salts.  In examples: (1) p-n-dodecylacetophenone (obtained by condensing acetyl chloride with n-dodecylbenzene in presence of aluminium chloride) is oxidized with potassium hypochlorite solution.  Sodium, calcium, barium and heavy metal salts may be made.  The n-dodecylbenzene is obtained by catalytic reduction of laurophenone; (2) a crude alkyl o -chloroacetophenone (obtained from chloracetyl chloride and an alkylbenzene of molecular weight about 260, corresponding to an average chain length of 13-14 carbon atoms and obtained by condensation of benzene with the product obtained by chlorinating a mixture containing hydroaromatic compounds obtained in the hydrogenation of lignite) is oxidized with sodium hypochlorite.  A mixture of acids or the corresponding salts is obtained; (3) diiso-hexylene is condensed with benzene in presence of boron fluoride-phosphoric acid and the product after distillation is treated with bromacetyl bromide. The resulting condensation product after removal of the more readily volatile portions is oxidized with sodium hypochlorite solution or potassium hypobromite.  A mixture of acids is obtained.  Their alkali, ammonium, alkaline earth and heavy metal salts may be prepared.
Patent GB-881191-A (GB)
Title: Improvements in and relating to the prestressing of concrete
Inventor: STOTT JAMES PEARSON
IPC: E04G21/12
Filed: 1957-05-28
Abstract: 881,191. Prestressed concrete. NATIONAL RESEARCH DEVELOPMENT CORPORATION May 28, 1958 [May 28, 1957], No. 16903/57. Class 20(4) Prestressed concrete is post-tensioned by levers 11, 12 having ends 19, 18 which respectively engage a fixed abutment on the concrete and the rod to be tensioned, and a tensioning jack 24 which engages the levers on one side of the rod and concrete member. The levers are pivoted at 13, 14 to a bar 15 and two pusher jacks 24 on either side can cause tension in a rod secured to an abutment block 18, a sleeve 17 bearing against an anchorage for the rod which bears against the concrete or is embedded therein. The block 18 and sleeve 17 may be slotted to clear the rod without necessitating its threading therethrough. In modifications, the levers are pivoted together, between the jack and the rod. The apparatus may be arranged to simultaneously tension a number of wires or rods laid around a loose central core member.
Patent GB-1102558-A (GB)
Title: Improvements in or relating to memory systems
IPC: G11C8/02
Filed: 1965-04-22
Abstract: 1,102,558. Semi-conductor switching circuits; magnetic data storage. AMPEX CORPORATION. 22 April, 1965 [8 June, 1964], No. 16967/65. Headings H3B and H3T. In a word organized magnetic storage array 16, Fig. 2, the word lines A, B, C, D, each have a series connected charge storage diode 26, which enables a single wire to be used for reading and writing, a forward current through the diode being used for reading, and a short duration reverse current being used for writing. Read sink switches RS0, RS1 and read drive switches RD0, RD1 are controlled by an address register 40 and timing means 52 to select a word line, at time T1 ; and the read pulse current source RCS is then operated at time T2 to read the information, thereby causing a charge to be stored in the diode 26 associated with the selected word line. The timing means 52, after opening the read sink and drive switches RS0, RS1, RDO, RD1, and turning of the read pulse source RCS, then operates a write sink switch WS at time T3 and a write pulse source WCS at time T4; the write current pulse being permitted to flow only in that word line which has a charge stored in its associated storage diode 26, this current pulse flowing in the reverse direction through the diode until the stored charge is deposited. The write pulse current source WCS is connected to the word lines via conventional write sink diodes 68, 70, the latter being reversebiased except during a writing operation by means of high impedances 72, 63 connected to a reference voltage of + 2V. The use of charge storage diodes renders only one write sink switch WS necessary, in association with M drive diodes 74, 76 and N sink diodes, 68, 70, for a storage away of MN elements. The read sink switches RS0, RS1 have high impedance paths 32 to a reference voltage. The use of high impedance circuit elements and high source impedances for the drive circuits, enable lower switching currents to be used, ensure that the information stored does not affect the read and write currents, and avoid the risk of low impedance circuits occurring during switching operations if the timing circuits should fail to operate precisely. The timing of the switching operations is such that a measure of leakage current flows in the word lines via a priming circuit 54, 56 to charge the stray capacitance of the array, before the read pulse is applied, and is said to reduce undesirable transients and saturation of the selection circuits on application of a read current.
Patent GB-612798-A (GB)
Title: Improvements in aircraft retractable undercarriages
IPC: B64C25/20
Filed: 1946-06-04
Abstract: 612,798. Aircraft retractable undercarriages. MORANE-SAULNIER SOC. ANON. June 4, 1946, No. 16978. Convention date, March 7. [Class 4] A retractable leg 2 for an aircraft is pivoted at a fixedaxis 1, near the upper end, to which also is pivoted at 3 a bell-crank lever 5, 8, of which one end 8 is connected to a control rod 13, the other end 5 engaging a fixed stop 10 when in the locking position. A pin. 4 on the leg 2 projects through a larger opening 6 on the retractable leg. A second fixed stop 11 with an arcuate surface is arranged to bear against the central part of the bell-crank. When the bellcrank is engaged between the two stops the strut is held locked in the position for landing. For retraction, initial movement of the rod 13 first rotates the bell-crank about its axis 3 to disengage the stops and then rotates the bell-crank and retractable leg together about the fixed axis 1 to the retracted position.
Patent GB-171728-A (GB)
Title: Improvements in combination baby buggies and cradles
IPC: B62B9/22
Filed: 1920-06-23
Abstract: 171,728. Freeland, H. M. June 23, 1920. Perambulators; hoods.-A combined baby-carriage and cradle comprises a frame with four standards 2, side and end sills 4, 6, and upper cross-members. Extensions 16 carry handlebars 24 and are braced by a bar 20. The cradle 26 is of open framework 28 and has a two-part lid 32, 34, the part 32 hinged to one side and carrying the hinged part 34. It is supported when open by a U-shaped rod 40 and by offsets 42, which also support it when closed. The cradle is suspended by a pair of bails 44 from hangers - 46. The cradle has a removable mattress comprising a cable laced across and along a frame. The frame and lid may be covered with netting 60, 62, and have a rocking-cord 63. A shelf is provided at axle level. The cradle is covered by a canopy 66 consisting of U-shaped rods 68, 70, 72, and Curtains 74, 76, the rods 72 being pivoted to members 18 to enable them to. be swung up against a central rod 68.