baber/WOPTO huggingface dataset:
Patent GB-1204601-A (GB)
Title: Acicular titanium dioxide pigment and methods for its preparation
IPC: C09C1/36
Filed: 1968-03-19
Abstract: 1,204,601. Acicular rutile TiO 2 . E. I. DU PONT DE NEMOURS & CO. 19 March, 1968 [21 March, 1967; 28 June, 1967], No. 13319/68. Heading C1N. Acicular rutile TiO 2  particles are prepared by calcining at 725-1000‹ C. for ¢-10 hrs. a mixture of (a) TiO 2 , (b) NaCl or a mixture of at least 50 mole per cent NaCl with at least one other alkali metal chloride or sulphate, and (c) an oxy-phosphorus compound, the wt. ratio of b : a being 0À05 : 1 to 2 : 1 and of b : c being 5 : 1 to 130 : 1 (based on the P content), then leaching the product to remove soluble salts. The product particles have a diameter of 0À01- 0À5 Á and a length: diameter ratio of 3 : 1 to 50 : 1. The other salt in (b) may be KCl, Na 2 SO 4 , or K 2 SO 4 , with minor amounts of Na or K bromides or iodides. (c) may be Na 3 PO 4 , Na 2 HPO 4 , NaH 2 PO 4 , Na 4 P 2 O 7 , NaPO 3 , Na 5 , P 3 O 10 , K 3 PO 4 , K 2 HPO 4 , KH 2 PO 4 , KPO 3 - H 3 PO 4 , H 3 PO 3 , H 4 P 2 O 5 , H 4 P 2 O 7 , HPO 3 , P 2 O 3 , P 2 O 5 , NH 4 H 2 PO 4 , (NH 4 ) 2 HPO 4 , or monocresyl phosphate. (a) may be (i) the rutile seed described in U.S. Specification 2,479,637 for use in sulphate hydrolysis, which may be partially dehydrated by freeze drying or heating at 110‹ C. or may be calcined at 500-700‹ C.; (ii) TiO 2  produced by sulphate hydrolysis using the rutile seed of (i), which TiO 2  is then washed, acid treated to remove Cr and V, dried at 110- 150‹ C. and calcined at 600-900‹ C. until 10-60% is rutile; (iii) a wholly anatase precipitate which converts to rutile on calcination; or (iv) a mixture of a nucleant rutile TiO 2  having a particle size of 0À01-0À2 Á obtained by pyrolytic TiCl 4  oxidation or by hydrolysis of TiCl 4  followed by calcination, and a less stable nutrient which may be anatase or rutile obtained by hydrolysis of Ti sulphate or chloride. (b) and (c) may be dried at 150‹ C. and ground, mixed well with (a) and pelleted. Calcining may be effected in air containing water vapour. The product is then leached with water, filtered, and dried at 150‹ C.
Patent GB-594492-A (GB)
Title: Improved method of and apparatus for producing clutches and the like
IPC: B23F15/06
Filed: 1945-05-28
Abstract: 594,492. Claw, ratchet, and slip clutches. GLEASON WORKS. May 28, 1945, No. 13363. Convention date, April 3, 1944. [Class 80(ii)] [Also in Groups XXII and XXIII] In saw - tooth clutches and face ratchets with helical surfaces on one side of the teeth, and load-releasing clutches with helical surfaces on both sides of the teeth, the teeth are relieved at the ends and tops so that the engaging surfaces of the two members have less than full length tooth contact and less than full profile contact. The amount of relief may differ between the members of engaging pairs to produce the desirable amount of mis-match.
Patent GB-163991-A (GB)
Title: Improvements in or relating to straight bar knitting machines
IPC: D04B11/00
Filed: 1921-05-11
Abstract: 163,991. Etablissements A. Bernard. May 31, 1920, [Convention date]. Straight-bar machines.-The slurcock c is mounted on a plate d which is supported by rocking strips f, Fig. 3, or prisms h, Fig. 7, on the traversing bar e. The slurcock is held normally in a mid-position by springs g or i, but should the sinkers offer abnormal resistance the slurcock c is slightly deflected thereby as shown in Fig. 4. This movement of deflexion enables the abnormal resistance of the sinkers to be overcome, and when the resistance becomes normal the springs g or i return the slurcock to the positions shown in Figs. 3 or 7. In a modification, a continually rotating shaft carries a series of cams j<1> for operating hammers k<1> which tap on miniature anvils b<1> and tend to keep the sinkers from sticking in their guides. The plate d carries a screw with a notched head engaged by a spring detent, or as shown in Fig. 9, the slurcock c may be held by springs p against the adjusting-screw n.
Patent GB-629641-A (GB)
Title: Improvements in and relating to tubular lock
IPC: E05C1/16
Filed: 1947-05-19
Abstract: 629,641. Door latches. YALE & TOWNE MANUFACTURING CO. May 19, 1947, No. 13440. Convention date, Sept. 24, 1946. [Class 44] In a latch of the kind having a follower or rollback casing housed in a transverse bore in a door and a latch bolt casing housed in a bore extending from the edge of the door to the transverse bore, there is provided relatively movable interlocking means on one casing engaging the other casing whereby the casings are secured together. The roll-back casing 17, Figs. 4, 6, contains a rotatable sleeve 52, Fig. 7, apertured at 58 to pass the head of the latch bolt casing 18 and formed with locking detents 63 engageable in slots 61 on the casing 18 when the sleeve is rotated. Operation of the latch handle causes rotation of the sleeve through an operating member 43 which carries an end plate 45 having opposed lugs 46 for co-operation with internal shoulders 47 on a ring 49 secured to the sleeve 52. When the handle is turned in an anticlockwise direction, Fig. 7, the motion is transmitted to the sleeve 52 but the sleeve is not rotated on reverse rotation of the handle because of the lost motion between the plate 45 and the ring 49 and the limitation in angular movement imposed on the handle by shoulders 64 engaging a fixed stop 39. The sleeve 52 is rotated into an unlocking position by a projection 53, Figs. 4, 7, operable by a tool from the inside of the tool door after removal of the inside handle 13 and rose-plate 14. The roll-back 57, Fig. 6, is mounted on the handle spindle 55 and engages a push-piece 34 slidably mounted in the latch bolt casing. The forward movement of the push-piece is translated into retractive movement of the bolt by a pivoted beam 27 connected to the bolt 22 by a sliding plate 29. Rotation of the operating member 43 in opposite directions is yieldingly resisted by a spring 73, Fig. 4, connected at its ends to a pair of control rings 71, 72 mounted on the member 43 one of which is adapted to rotate by abutment with a lug on the member 43 whilst the other is prevented from rotation by engagement with the rib 39 on the casing member 35 so that rotation of the handle in either direction winds up the spring. Rotation of the handle in either direction is limited by one or the other of the rings engaging the rib 39. The rollback casing 17 has a pair of screwthreaded sleeves 35, 36 extending from either side for engagement by securing nuts 88 bearing against rose supporting plates 86 provided on each side of the door and located by lugs 87 engaging the walls of the transverse bore. The rose plates have lips 91 adapted to snap over the outwardly cranked edges of the plates 86. The outside handle is retained. by a pin 65 covered in assembled condition by the sleeve 37. The inside handle 13 is retained by a spring loaded catch pin 67 releasable through an opening 70. The rollback casing comprises two complementary cup portions 40 secured together by an external spring clip 42 having holes to receive lugs 41 on the cups.
Patent GB-135616-A (GB)
IPC: F16D41/08
Abstract: 135,616. Rowley, A. J. Nov. 29, 1918. Attachments for screwing and tapping.-A driven part such as a tool-holder or chuck a on capstan lathes &c. is clutched to a driving-spindle b for either forward or reverse drive or is left free when desired by balls c carried in cups d in the part a, and engaging with one or other of oppositely directed ratchet-like recesses h in the part b, or with an annular groove g according to the axial adjustment of the part b. A sleeve e prevents displacement of the cups, which may have lubricating holes f.
Patent GB-1148164-A (GB)
Title: Method of filling pressurised dispensing containers and dispensing valve structure adapted for such method
Inventor: GREEN EDWARD HOWARD
IPC: B65D83/14
Filed: 1966-03-28
Abstract: 1,148,164. Filling pressurized dispensing containers. E. H. GREEN. 28 March, 1966 [9 April, 1965], No. 13607/66. Heading B8T. [Also in Division F1] In a pressurized dispensing container the valve member 27<SP>1</SP> which seats on a member 23 has a recess 58 within the valve stem socket 33<SP>1</SP>, which recess engages the filling nozzle 50 on completion of filling so that the valve member 27<SP>1</SP> is guided into engagement with the member 23 to ensure that the seat 36 is concentric with the aperture through the member 23.
Patent GB-378088-A (GB)
Title: Process for the production of ª†-lactones of decahydronaphthalene
IPC: F02B3/00
Filed: 1931-05-08
Abstract: g -Lactones of decahydronaphthalene, of the general formula--<FORM:0378088/IV/1> where R represents hydrogen or alkyl, are manufactured by the action of mineral acids, such as sulphuric or hydrobromic acid, in the warm, on b -oxyacid esters of the general formula-- <FORM:0378088/IV/2> where R represents hydrogen or alkyl and R<1> alkyl, which are obtainable by the Reformatsky reaction from a -halogen fatty acid esters, b -ketodecahydronaphthalene and zinc. Alternatively the b -oxyacid esters are converted with water-eliminating agents into the corresponding b -g -unsaturated acid esters, which are then converted, with or without first being saponified, into the g -lactones by heating with mineral acids.  The products may be employed as agents against animal parasites, e.g. as anthelmintics.  They may be split up by lyes and converted by careful acidification into the corresponding g -oxyacids, from which the g -lactones can be regenerated.  In an example, a -(2-oxy-2-decahydronaphthyl)-propionic acid methyl ester (from b -keto-decahydronaphthalene, a -bromopropionic acid methyl ester and zinc) is treated with potassium bisulphate to yield a  - (2 - octahydronaphthalene) - propionic acid methyl ester, which is saponified with aqueous alcoholic alkali and the acid obtained is warmed with 70 per cent sulphuric acid, producing the g -lactone of a -(1-oxy-2-decahydronaphthyl)-a -methylacetic acid. Alternatively the oxyacid ester or the unsaturated ester is directly converted into the lactone by the action 70 per cent sulphuric acid.  The product is converted by barium hydroxide into the barium salt of the corresponding acid, from which the lactone is regenerated by acid.
Patent GB-183409-A (GB)
Title: Improvements in or relating to gas calorimeters
IPC: G01N25/42
Filed: 1921-04-07
Abstract: 183,409. Igranic Electric Co., Ltd., (Cutler-Hammer Manufacturing Co.). April 7, 1921. Drawings to Specification. Calorimeters.-In a continuous flow gas calorimeter in which resistance thermometers are subjected to the initial and final temperatures of a fluid which absorbs the heat of combustion, the thermometers are so constructed that their resistance coefficients vary in such a way that a constant relation between their resistances is maintained for a given calorific value of the gas, irrespective of the actual temperature level at which the test is carried out. The invention is described in connection with a calorimeter of the kind described in Specification 153,817, each of the thermometers containing for example nickel and copper in such proportions that the desired result is obtained despite variations in the specific heat of the heat-absorbing air and in the vapour content of the test gas, caused by variations in the temperature of the water tank containing the wet meters supplying the gas &c. Specification 18495/14 also is referred to.
Patent GB-290666-A (GB)
Title: Improvements in or relating to apparatus for use in the formation of trails of visible, luminous or poison laden material from aerial or other craft
IPC: B64D1/16
Filed: 1928-05-09
Abstract: 290,666. Savage, J. C. May 20, 1927, [Convention date]. Visible non-luminous signals. - Apparatus for use in the production of a trail of luminous or poisonous material fiom an air-craft comprises one or more separate receptacles for the material, a conduit from each receptacle to a point of discharge, and one or more bladed wheels for atomizing the material issuing therefrom. The material is conducted by a pipe to the inlet 9 of a valve chamber from which it is allowed to pass through conical needle-valves 10 connected by a stem 7 .and Bowden wire connection to the cockpit. Rotatably mounted to the rear of the valve box on a spindle 12 are two vane wheels 13, 14 and 16, 17 adapted to be rotated in opposite directions by the air-stream due to the motion of the aircraft, or which may be driven by suitable mechanism. The vanes 16 overlap the vanes 14. A hygroscopic material such as stannic tetrachloride may be used or the trail may be produced by the commingling of two or more ingredients such as ammonium hydrate and hydrochloric acid.
Patent GB-518464-A (GB)
Title: Improvements in or relating to means for controlling the flow of fluids
IPC: F02D11/02
Filed: 1938-08-26
Abstract: 518,464. Speed governors. BUCKLEY, A. B. Aug. 26, 1938, No. 13668. [Class 57] [Also in Groups XXIX and XXXI] A valve 22 is mounted in the induction pipe of an internal combustion engine between the carburetter 2 and manifold 3 and has projections 37 to limit its movemnt towards the carburetter. The valve 22 is adjustably mounted on the screw 27 which also carries a spider 28 loaded by a spring 29. Flow of fluid moves the valve against the spring 29 until the spider 28 engages the spring 31, which increases the loading, and is adjustable by moving the rod 30 axially so that tapered portions 36 adjust the abutment 33. The valve has abutments 38 which engage the seat 18 which is movable by the cams 20 which are moved by the accelerator pedal either alone or in conjunction with the throttle valve. Radially moving rods may be employed to fix the valve in an inoperative position. A sleeve 49 may also be provided capable of movement equal to the projections 38. The back of the sleeve is connected by a passage 50 to a valve 52 carried by a lever 53 pivoted at 54, and carrying a lever 55 on which is mounted a container 57 for mercury 59. If the vehicle is descending a hill and the abutments of the valve 22 engage the sleeve 18 with the throttle closed, then the opening of the valve 52 allows atmospheric pressure to act on the sleeve 49 to move it into engagement with the valve 22 to cut off supply. The valve arrangement may be employed for controlling the' flow of any fluid.
Patent GB-989258-A (GB)
Title: Process for hydrocracking a hydrocarbon
IPC: C10G47/00
Filed: 1962-04-10
Abstract: An asphalt-free hydrocarbon charge containing hydrocarbons boiling above the gasoline range, and nitrogen and aromatics in amounts which adversely effect the hydrocracking of the feed is hydrocracked by reducing the nitrogen content, preferably to below 25 p.p.m. catalytically hydrogenating to reduce aromatic hydrocarbons, preferably to below 25%, and hydrocracking in the presence of hydrogen and a catalyst containing hydrogenation and cracking components.  The feed may boil in the range 121-566 DEG  C. and is subjected to solvent extraction with furfural, methyl or ethyl alcohol, ethylene glycol or acetonitrile, or selective adsorption with activated alumina or silica gel, or, preferably, to catalytic hydrofining to remove nitrogen compounds. Hydrofining is effected at 288-399 DEG  C., 14-140 kg./cm.2 gauge, 0.5-10 vol./vol./hr. with 28-566 SCM of hydrogen per barrel over mixed oxides or sulphides of nickel/tungsten, nickel/ molybdenum, cobalt/tungsten or cobalt/molybdenum deposited on a support.  Aromatics hydrogenation is effected at 149-399 DEG  C., 14-70 kg./cm.2g. 0.25-25 vol./vol./hr. with 57-566 SCM of hydrogen per barrel over supported palladium, platinum, nickel or cobalt or their oxides or an oxide or sulphide of a Group VIa metal with nickel or cobalt oxide or sulphide. Hydrocracking is effected at 232-427 DEG  C., 35-140 kg.cm.2g., 0.1-10 vol./ vol./hr. with 57-566 SCM of hydrogen per barrel over platinum, palladium, nickel tungstate, cobalt molybdate or anoxide or sulphide of tungsten, molybdenum or nickel on a siliceous cracking carrier, e.g. silica-alumina which may also contain magnesium or strontium oxide or fluorine.
Patent GB-363275-A (GB)
Title: Improvements in massaging appliances
IPC: A61M1/08
Filed: 1931-05-08
Abstract: 363,275. Massaging-appliances. KRAUTER, H., 2, Praterstrasse, Vienna. May 8, 1931, No. 13710. Convention date, Oct. 30, 1930. [Class 81 (ii.).] An apparatus for treating the skin comprises a suction member and a friction or pressure member attached to the ends of a handle by which the device is manipulated. The friction device consists of a glass bulb b, of the shape shown, having a neck which screws into a sleeve f on one end of the handle a,. By unscrewing it partly the bulb can be filled with water through openings g in the sleeve. The suction device consists of an openended bottle c the neck of which screws into a sleeve o on the end of a tube l which is attached to the handle a, as shown. A rubber ball t is fitted over the tube l, and the space enclosed is connected with the interior of the bottle c by way of openings m in the tube l and passages through the sleeve o and the neck of the bottle. In use, the bulb b is filled with hot water and is then pressed or rubbed against the skin. After a time, the device is reversed so that the bottle c is in contact with the skin, the bulb t having been squeezed to exhaust the air from the interior of the bottle. The device is then moved over the area of skin to be treated.
Patent GB-636853-A (GB)
Title: A device for removing foreign bodies and undesired hirsute growths from animal bodies
IPC: A61B17/50
Filed: 1948-05-20
Abstract: 636,853. Tweezers. LEVER, M. May 20, 1948, No. 13721. [Class 61 (ii)] Tweezers which grasp and pluck out unwanted hairs &c. from the human body with one movement of the hand, comprise a pair of tweezers 1, 1a pivoted on and between the limbs 3, 3a of a main bow spring 4. The midpoint of the arm 1 is pivoted to the inturned arm 8 rigid with the bow spring, the mid-point of the other arm la being pivoted to one web 11 of a Z-shaped link 10, the other web 12 being pivoted at 13 to the bow spring. Pressure on the bow spring causes the tweezers to close, further pressure causing the link 10 to cant and snap into a position inwardly inclined to the bow spring and causing the tweezers to move sideways. A stop may be provided on the member 8 to prevent an outward inclination of the link 10.
Patent GB-277056-A (GB)
Title: Improvements in and relating to friction gearing
IPC: F16H13/14
Filed: 1926-06-01
Abstract: 277,056. Prendergast, R. S., Prendergast, C. S., and Sonsthagen, A. June 1, 1926. Variable-speed friction gearing. - A friction wheel consists of two substantially concentric rings 11, 13, Fig. 3, separated by balls or conical or other rollers 14 engaging inclined surfaces 12 on the inner ring, by cams 33 as in Fig. 5, or by links, so that the frictional grip upon the co-operating gear member 24 tightens with the load, the ring 13 moving from a position slightly eccentric to the ring 11 to a concentric position during such action. The wheel is carried in bearings sliding on rods 21, 21a and is traversed across the face of a disc 24 by a screw 23 for speed variation. The disc 24 is secured on a shaft 25 and is axially adjustable by a sleeve 26 screwed into the casing 6<a>. The wheel may engage the rim of its co-operating disc, which may be conical, or may be pivoted on a conveyercarriage and roll along a stationary friction track. Fig. 8 shows a modification in which the friction wheel 38 grips a conveyer belt 39 passing over an ordinary pulley 40. Wire &c. to be fed may be gripped in a similar manner. The invention may be applied to centrifugal machines.
Patent GB-514690-A (GB)
Title: Improvements in or relating to jig-saw puzzles
IPC: A63F9/10
Filed: 1938-05-10
Abstract: 514,690. Jigsaw puzzles. DUCK, J. F. May 10, 1938, No. 13872. Drawings to Specification. [Class 132 (iii)] In a jigsaw puzzle the pieces fit when solved in a border frame which with the included pieces is covered by the picture and is of silhouette form appropriate to the design, the border being attached to a thin backing sheet and being of such thickness that the puzzle will stand up. A slotted pieceof wood may be attached to hold the puzzle upright.
Patent GB-1492637-A (GB)
Title: Biological testing process and device
IPC: G01N33/18
Filed: 1975-04-04
Abstract: 1492637 Testing water KALLEREGULATORER AB 4 April 1975 [4 April 1974] 13935/75 Heading G1B [Also in Division B1] A process for measuring the toxicity of an aqueous liquid to micro-organisms present in biological purification plants comprises preaerating at least a part of the liquid almost to oxygen saturation, contacting the preaerated liquid with a submerged biological bed and measuring the oxygen content in the at least part of the liquid after contact with the bed, the biomass of the bed being maintained at a substantially content level. The apparatus may comprise a preaerator 1 for the liquid flowing in at 2, a biological bed comprising at least a pair of opposed mutually movable surfaces defining channels therebetween, as in the embodiment shown between fixed baffles 7 and discs 6 mounted on rotatable shaft 14 and a device such as oxygen electrode 9 for the continuous or intermittent measurement of the oxygen content in the liquid after it has left the bed. Shaft 14 may be mounted for oscillatory movement to vary the distance between baffles 7 and discs 6 and hence the thickness of the biofilm which forms on the baffles and discs.
Patent GB-240518-A (GB)
Title: Improvements in or relating to pinions
IPC: F16C33/58
Filed: 1924-06-06
Abstract: 240,518. Brown, W. S. F., and Maina, J. June 6, 1924. Roller bearings.- Gearing pinions have an internal bore axially longer than the total width of the bearing races, and the internal diameter between or beyond the races is reduced to add to the strength of the pinion. As shown, a pinion a has an inwardly projecting annular strengthening part k between the sets of bearing rollers b. The roller cages f fit the enlarged part d of the shaft and project into grooves in retaining washers g positioned by collars h on the shaft. Specification 212,679, [Class 80 (ii), Gearing, Variable-speed &c.], is referred to.
Patent GB-1345486-A (GB)
Title: Asynchorous digital detector
IPC: H04L7/04
Filed: 1972-03-24
Abstract: 1345486 Selective signalling MOTOROLA Inc 24 March 1972 [19 April 1971] 13939/72 Heading G4H An asynchronous detector for detecting a particular binary word in a train of signals, samples and stores the signal in the train at a rate equal to a plural multiple of the bit rate, the stored signals being compared with a reference word. The store is a shift register and the comparison occurs after each storage of a sample. The comparison may be in parallel, the reference word coming from a register. Alternatively, it may be in series, using loop shift in the shift register, the reference word coming from a further loop shift register. Some of the bits in the reference word may be obtained from the others using a parity tree connected to the further shift register and providing the looping. The output from the comparison feeds a counter, to produce a "detected" output on at least 80% agreement to permit passage of audio signals in a mobile, portable or paging communications system. A plurality of reference words may be provided in respective registers, with respective comparators. Some may be all ones or all zeros for a "switch-off" control operation, or may be delayed versions of each other for more "detected' outputs per unit time. The "detected" output may be obtained via a monostable, the duration of which may be chosen to prevent break of signal on fading of the input to the detector. Each word used in the system, and its cyclic variations, differs from all the other words and their cyclic variations by at least, say, 7 bits.