baber/WOPTO huggingface dataset:
Patent GB-773299-A (GB)
Title: Transparency viewer
IPC: G02B27/02
Filed: 1955-09-28
Abstract: 773,299. Transparency viewers. MILLER, G. Sept. 28, 1955, No. 27594/55. Class 98(2) A transparency viewer in the form of a box-like member, containing a light bulb arranged at one side of a light diffusing plate includes transparency receiving and ejecting means combined with a switch, has guide tracks leading from a transparency receiving slot in one side of the boxlike member, and a spring mounted opposite the transparency receiving slot to resist the full entry of the transparency, and arranged to eject the transparency at least partially, when holding pressure thereon is released, the' spring being mounted in the circuit to the bulb to complete the circuit only when the transparency is held pressed thereagainst within the frame. As shown in Fig. 1, the boxlike member 11 has a viewing lens 12 mounted at one end thereof, and an inner framework 16 is slid in from the other end and secured in position by means of a spring catch 18. The inner framework 16 carries the holder 15 for an electric bulb 14, and includes a compartment 20 for a pair of electric batteries 21 connected by an electric circuit to the bulb holder 15. Registering slots 30, 31 in the box-like member 11 and the inner framework 16 respectively lead to guide ways 32 formed on opposite sides of inner framework 16. Weak springs 34 s,erve to press a transparency inserted through the slots 30, 31 against a light diffusing plate 13 also mounted in the inner framework 16. A bowed spring 26, Fig. 4, fixed at 27 to the inner framework 16, normally occupies its dotted-line position; but when a transparency 36 is inserted into the guideways 32, the spring is pressed downwards against a contact strip 28, thus completing the circuit to the bulb 14. The bulb 14 thus remains alight as long as the transparency is held in position, but when the transparency is released. it is partially ejected by action of spring 26 returning to its dotted-line position, breaking the circuit to the lamp 14 at the same time.
Patent GB-856883-A (GB)
Title: Process for the purification of pyrethrin extracts
IPC: A01N65/00
Filed: 1957-09-02
Abstract: Crude concentrated extracts of pyrethrins in kerosene are purified by the addition thereto of a saturated aliphatic hydrocarbon having 5 to 7 carbon atoms and maintaining the resulting mixture at 0 to 30 DEG C., to precipitate material insoluble in "Freans" (Registered Trade Mark), and like aerosol propellants are precipitated.  A suitable hydrocarbon is hexane, but mixtures such as petroleum ether may be used.  The hydrocarbon is added in the proportion of 2 to 4 parts by weight to 1 part by weight of the anode extract, at a temperature between 0 DEG  and -30 DEG C, at which temperature the mixture is maintained for from 10 to 40 hours to ensure complete precipitation. The precipitate is subsequently removed and the remaining added hydrocarbon is distilled out of the mixture.
Patent GB-463972-A (GB)
Title: Improvements in or relating to deflecting means for cathode-ray tubes or the like and scanning generators associated therewith
IPC: H01J29/76
Filed: 1935-10-08
Abstract: 463,972. Television; cathode-ray tubes. BAIRD TELEVISION, Ltd., and TINGLEY, G. R. Oct. 8, 1935, No. 27820. [Classes 39 (i), 40 (iii), and 40 (v)] The coils 1, 2, Fig. 1 (Prov.) providing electromagnetic back-coupling of an oscillator themselves produce the magnetic field deflecting a cathode ray, and are so disposed that the steady magnetic fields produced by the mean anode current and mean grid current are in opposition. By suitable choice of the number of turns in the coils 1, 2, the fields due to the steady anode and grid currents may be made to cancel each other. The coils are mounted on a ferro-magnetic core 6, Fig. 1 (Comp.). An additional coil 3 is energized with a steady current to adjust the position of the beam. Synchronizing signals are applied to a coil 4 shielded by an electrostatic screen 7. Specification 456,138 is referred to.
Patent GB-1443587-A (GB)
Title: Double salts of s -adenosyl-l-methionine
IPC: C07H19/167
Filed: 1974-06-24
Abstract: 1443587 Double salts of S-adenosyl-L- methionine BIORESEARCH SaS 24 June 1974 [27 June 1973 24 May 1974] 27888/74 Heading C2C Novel double salts of S-adenosyl-L-methionine (SAM) with sulphuric acid and p-toluenesulphonic acid, especially of the formula are prepared by (a) preparing a concentrated solution of SAM, (b) precipitating the SAM therefrom by addition of a solution of picrolonic acid, (c) dissolving the precipitated SAM picrolonate in a mixture consisting of equal parts by volume of an aqueous solution containing equinormal amounts of p-toluene sulphonic acid and sulphuric acid and of an organic solvent at least partially miscible with water, (d) precipitating the resultant SAM salt from the aqueous layer by addition of a ketone or alcohol based solvent fully miscible with water, (e) dissolving the precipitated salt in a solution of p-toluenesulphonic acid in methanol, and (f) precipitating the double salt of SAM with sulphuric acid and p-toluenesulphonic acid by addition of a suitable organic solvent. Pharmaceutical preparations having a wide range of activities contain the double salt(s) as active ingredient. Administration is orally, parenterally and topically.
Patent GB-813973-A (GB)
Title: Improvements in or relating to a garment suspending frame
IPC: A47G25/20
Filed: 1957-09-04
Abstract: 813,973. Garment drying-frames. ERICSON, K. W. Sept. 4, 1957 [Feb. 28, 1957], No. 27892/57. Class 34(1) [Also in Group XIV] An airing frame for removable attachment toa coat &e. hanger to spread a garment suspended by the hanger has a forked clamping member at opposite ends to grip the arms of the hanger. As shown, 'the frame is a closed oval loop 1 of resilient material and has integral clamping members 4, 4<SP>1</SP>. In a modification the frame and the clamping members are made of different materials.
Patent GB-688030-A (GB)
Title: Improvements in or relating to liquid measuring and dispensing apparatus
Inventor: GODDARD HENRY FREDERICK
IPC: B67D7/08
Filed: 1949-11-03
Abstract: 688,030. Liquid-dispensing apparatus. PARKWOOD ENGINEERING CO., Ltd. Oct. 20, 1950 [Nov. 3, 1949], No. 28188/49. Class 116 Liquid-dispensing apparatus is provided with means for interrupting the discharge of liquid after an approximately predetermined quantity has been dispensed and irrespective of the total quantity to be delivered. In a petrol pump, Fig. 1, the nozzle rests on a lever 18 pivoted at 19 and having a bifurcated part 20 engaging a pin 21 on a lever 22 pivoted at 23 to a bracket 24. The lever has a bifurcated end engaging a pin 26 on a motor actuating switch rod 27 shown in the closed position. A collar 28 adjustably mounted on the total units rod 8 of the indicating mechanism carries spaced pawls 30, 31, so positioned to engage a collar 34 on a rod 33 as the rod 8 rotates. The collar 34 is spring urged upwardly and connected by a pivoted rod to a rod 38 and lever 39, the end of which engages a throw-out lever 41 pivoted to a bracket 42 on the motor 15. Pawls 30 and 31 (Fig. 3) are pivoted on the collar 28 and are maintained in outwardly projecting position by a spring 49 above the rod 8 which engages a lug 50 on the pawl. As the rod rotates further, the pawl engages the collar and lowers the rod 33, which in turn raises the rod 38 thus releasing the throw-out lever 4 which is connected by a spring to a bracket 44 on the lever 22. As the throwout lever 41 rotates under the action of the spring the lever 22 is also rotated to move the rod 42 outwardly to open the motor switch. To recommence delivery, the arm 18 is raised causing the arm 22 to pivot to move the rod 27 inwardly and to close the motor switch and to force the throw-out lever upwardly to restore the lug to its original position the pawl having passed the lug. The pawls and collar may be adjustably mounted on the total units rod so that delivery is stopped at any required amount. In a modification a bar with a shoulder may be used instead of the rod 33, and collar 34, the pawls may be rigid with the collar or the pawls could be arranged to strike the underside and lift the lever 38 . directly. Specification 645,603, [Group XXXV], is referred to.
Patent GB-266030-A (GB)
Title: Improvements in or relating to machines for making helically constructed metallic tubing
IPC: B21C37/12
Filed: 1925-11-10
Abstract: 266,030. Clough, J. P. Nov. 10, 1925. Pipes and conduits. -In making metal tubing by-coiling inner and outer metal ribbons so that the seam of the outer ribbon is located over and between the seams of the inner ribbon, the seams being welded by rotary electrodes located inside and outside of the tube, one or more of the electrodes straddle the outside seam or the inside seam or both and effect continuous or spot welds along both sides of the seam. The two rollers 1, 2 mav each be formed with a circumferential groove 3 so as to form two contact surfaces straddling the seam 4, and one or both rollers may have teeth 6 to form spot welds 7 staggered on opposite sides of the seam. In a modification, one or both rollers have a series of transverse corrugations straddling the seam, the weld then being continuous unless the current is made intermittent by an interrupter. In a further modification, two pairs of outer toothed rollers are employed, one pair straddling the outer seam 4 and the other pair straddling the inner seam 13. In another modification, two cylindrical outer rollers are spaced apart by more than the width of a ribbon and co-operate with two similar inner rollers to form continuous or spot welds as in the Figure. In all the above forms the electrodes are constituted by the inner and outer rollers respectively, but in a further modification the inner roller acts as a conductor only and the outer roller consists of two plain or toothed discs insulated from each other and straddling the seam 4 so as to constitute the two electrodes. In each form of apparatus the electrodes are mounted on a compound slide rest at the supply side of the coiling-chamber, the inner roller extending through the chamber to the delivery side and the outer roller reaching round the outside of the chamber. The welding pressure is supplied by lever, spring and catch mechanism and the slide rest is operated by screws and handles. Reference has been directed by the Comptroller to Specification 16820/12.
Patent GB-158992-A (GB)
Title: A process for the preparation of alkali pentaborates direct from boron ores
IPC: C01B35/10
Filed: 1919-11-15
Abstract: Boric acid is obtained by treating alkali pentaborate with an acid such as sulphuric acid or sodium bisulphate.ALSO:Alkali pentaborates are produced by treating with carbon dioxide a mixture of a boron ore and water with the addition ofa sufficient quantity of an alkali hydrate or carbonate to ensure the presence of one molecule of alkali metal oxide to five molecules of boric acid.  In the examples, boronatrocalcite with the addition of soda is treated with carbonic acid; colemanite with the addition of sodium hydrate or carbonate is treated with carbonic acid; and ulexite with the addition of sodium carbonate is treated with carbonic acid in an autoclave at 100 DEG C. and 50 lb. pressure.  When the reaction is completed the excess of carbon dioxide is boiled off, the solution filtered and concentrated, and the pentaborate crystallized out.  The pentaborate solution may be treated with acid such as sulphuric acid or sodium bisulphate or with the requisite quantity of an alkali boric acid or borax respectively being obtained.
Patent GB-365556-A (GB)
Title: An improved pit prop
IPC: E21D15/18
Filed: 1930-10-21
Abstract: 365,556. Mine props. BALL, P. A., 55, Sebastopol, Hoyland, near Barnsley. Oct. 21, 1930, No. 28364. [Class 20 (ii).] A pit prop comprises a rigid standard 11 formed cone-shaped at its upper end and provided with grooves 14, and a cylindrical chamber 13 adapted to receive a plunger 17 to rest upon sand contained within the chamber. A spring-pressed conical seating valve 15 controls the grooves 14 through which the sand can escape to allow collapse of the prop. Notches 24 in the plunger and spring-pressed pawls 25 in the chamber coact to prevent separation of the plunger from the prop. A rotatable cam 18 may be provided at the upper end of the plunger to set the prop.
Patent GB-209045-A (GB)
Title: Apparatus for mechanically effecting the tipping of wagons
IPC: B65G67/00
Filed: 1923-11-10
Abstract: 209,045. Leroux, P. E. Dec. 26, 1922, [Convention date]. Rotary tipplers.-A portable tippler comprises a frame formed of rails a and a casing b, and a cradle e on wheels f running on the rails a for tipping the wagon. The rails are arranged so that the latter part of the rising movement of the cradle takes place under the weight of the loaded wagon, whilst the weight of the empty wagon tends to right the cradle. The cradle is raised by endless chains o connected to it at o<1> and passing over driving sprockets n, and guide pulleys o<2> on the irame and o<12> on the cradle, the chains o becoming slack as the cradle rises. The descent of the cradle is controlled by a chain o<4> passing over a free-wheel sprocket n<1> which can overrun the driving shaft m when the cradle is rising. The chain o<4> is secured at one end to the frame at o<5>, and is kept taut by a weight o<8>. The shaft m is driven in either direction from a compressedair engine j through a clutch, gearing k<2>, k<3>, and a countershaft l. A nut p on the shaft l actuates a throttle lever r to shut off the compressed air automatically. The lever r and a clutch lever t<3> may be moved by a hand-lever t for starting and reversing the driving shaft. The wagon is held fast on the cradle by the hook-shaped portions of the cradle e engaging the tops of the wheels, and by hooks g, Fig. 9, pivoted on the cradle at g<1>, which engage the axles. The hooks g are pressed upwards by springs i but are normally held in their lowest position out of range of the axles, by a cam on the tippler frame which engages the end of the rod i<3> when the cradle is in its normal position, so that movements of the cradle permit the hooks g to engage and release the truck automatically. The wagon is run up offset inclines from the rails W to the grooved tracks e<2> in the cradle. The outer part a<1> of the tippler is hinged and may be folded over when the tippler is not in use so that with the cradle turned into the vertical position the overall width of the apparatus does not exceed that of a wagon.
Patent GB-1446374-A (GB)
Title: Watch
IPC: G04G21/00
Filed: 1974-06-26
Abstract: 1446374 Electronic watches AMERICAN MICROSYSTEMS Inc 26 June 1974 [17 Oct 1973] 28467/75 Heading G3T [Also in Division H1] In an electronic watch having a battery (38), Figs. 3 and 4 (not shown), a voltage step-up coil (44), and a circuit board (20) for driving a display unit (14), e.g. of liquid crystal type, under control of a crystal oscillator (42), a switch 18 for setting the display comprises a rotatable actuator disc 70 in a shallow cup-shaped housing which is located in the front wall or rear cover 16 of the watch case. The disc can be moved by means of a coin inserted in slot 74 to one of four positions to set the hours, set the minutes, hold the displayed time, or for normal running. As shown the housing is attached to the cover 16 by adhesive 64 but it may be formed integrally with the cover Fig. 9 (not shown) Several switch contact and terminal arrangements are described, but as shown the disc carries a contact member 78 with portions 84 which engage the housing and form grounding contacts, and with portions 80, 82 which can contact terminal areas 92, 94 depending on the disc's position. These areas are carried on an insulating sheet 90 and connected via leads 46, 48 to the watch circuitry. In one alternative arrangement contact is only made when the actuator disc is axially depressed against a resilient ring (140), Fig. 11 (not shown). Sealing gasket 88 is of p.t.f.e. to minimize triction.
Patent GB-758800-A (GB)
Title: Improvements in or relating to processes and apparatus for the preliminary rolling of multiple-throw crankshafts
IPC: B21K1/08
Filed: 1954-10-04
Abstract: 758,800. Making crank-shafts; rolling. MASCHINENFABRIK AUGSBURG-NURNBERG AKT.-GES.- Oct. 4, 1954 [Oct. 2, 1953], No. 28570/54. Classes 83 (.2), 83 (3) and 83 (4). A round bar 11, Fig. 1, for subsequent forging into a crank-shaft, and initially machined to the finished diameter, has the bearing-points successively rolled into it following stepwise inductive heating. The bar 11 is held in a driven chuck 4 against a tailstock 12 and is additionally supported by roller bearings 6. The bearing-points are formed successively by a roll 15 carried by a movable support 7 which also carries an inductive heating-coil 8 for heating the portion to be rolled. The distance between the roll 15 and coil 8 may be adjusted by a hand wheel so that the coil heats the next portion to be rolled while the adjoining portion is being rolled. The roll 15 is mounted on an hydraulic ram 14 for the application of pressure or the pressure may be applied mechanically. Tension springs 17 or hydraulic devices return the ram 14 to the initial position after each rolling operation. More than one roll 15 may be used and these may be mounted radially around the work or longitudinally of the work for successive engagement. Each roll in the latter case has a different rolling profile to progressively penetrate the work. Mounting chucks and centres. In order to take up the increase in length of the work resulting from the heating and rolling operation, the chuck 4, Fig. 4, is mounted on a hollow shaft 20 driven by gears 18, 19 and displaceable over a piston 21 against the pressure in a chamber 22. The tailstock centre 12 is similarly mounted.
Patent GB-880227-A (GB)
Title: Means for coupling between the rotating and fixed parts for an electric signal transmission system
IPC: G08C17/06
Filed: 1959-08-21
Abstract: 880,227. Capacitors. NIPPON ELECTRIC CO. Ltd. Aug. 21, 1959 [Aug. 27, 1958], No. 28648/59. Class 37. [Also in Group XL (c)] In a rotary coupling of capacitive type in which a capacity value of near infinity is achieved by means of a negative impedance converter compensation for slight variations in capacity during rotation is also provided (see Group XL (c)). For this purpose it is necessary to arrange for each coupling to include three separate coupling capacitors whose construction is such that any variation of capacity during rotation is as nearly as possible the same in each. Fig. 5 shows a construction for three coupling capacitors 3, 6 and 7 in which cylindrical electrodes 3b, 6b, 7b rotate with a common shaft and fixed cylindrical electrodes 3a, 6a and 7a surround them. In another construction the electrodes are of annular form, each set arranged concentrically on a common disc. Fixed and rotatable discs are arranged parallel and in alignment to form the coupling (Figs. 6a and 66, not shown). This latter construction may be elaborated by dividing the annular electrodes into radial bands on the moving disc as shown in Fig. 6c. If the fixed disc has a single similar band switching from a plurality of circuits on the moving part to a single one on the fixed part can be effected. For more complex switching the fixed disc may be the same as the moving one.
Patent GB-305083-A (GB)
Title: Improvements in and relating to puttees
IPC: A41D17/04
Filed: 1927-10-28
Abstract: 305,083. Hawken, R. W. Oct. 28, 1927. Puttees.-A puttee of the permanently wound spiral type is provided with reinforcing tapes or bands C from the ankle end A to the knee end B and loops. At the latter ends, loops D are provided either integral with the tape or formed separately, Specification 5436/15 is referred to.
Patent GB-1479634-A (GB)
Title: Circular knitting machines
IPC: D04B15/78
Filed: 1974-06-28
Abstract: 1479634 Automatic control of knitting machines ELITEX-LAVODY TEXTILNIHO STROJIRENSTVI GENERALNI REDITELSTVI 28 June 1974 [12 July 1973] 28719/74 Heading G3N A control system for a circular knitting machine includes a patterning memory, accessed by a decoder formed by a programmable read only memory in accordance with a pre-set programme. As shown an arrangement for counting needle passes consists of optical sensor 1 whose output pulses pass through a bi-stable trigger circuit to a counter consisting of sections 7, 8, SN 7493 type total capacity 256, connected to count to 160 corresponding to the number of needles. This count passes to decoder 10 which consists of PROM 1 and PROM 2, Fig. 3, where PROM 1 is shown in Fig. 4 as comprising a decoder stage 16 and a memory matrix 17 with output decoder 18a to 18d which provides output signals 11a to 11d for input to memory 12. An additional signal 11e from PROM 2 also is input to memory 12. A similar counter and decoder arrangement is provided for the pattern courses and these signals are input to the memory on lines 15a to 15e. The output from the memory is taken to the operating electromagnet for each needle.
Patent GB-1313030-A (GB)
Title: Valved needle assembly
IPC: A61M5/31
Filed: 1971-06-21
Abstract: 1313030 Needle assembly MPL Inc 21 June 1971 [30 June 1970] 29003/71 Heading A5R A needle assembly 21 for use in bloodsampling apparatus comprises two cannulas 23, 31 mounted in a hub 25, the cannula 31 being slidable therein, and an elastic partition 27 mounted in the hub 25 and normally separating the cannulas 23, 31, the partition 27 having a slit 27a through which blunt end 31b of the cannula 31 may be slid, selectively to establish communication between the cannulas 23, 31, the slit 27a elastically returning to a closed position when the cannula 31 is removed therefrom. The cannula 23 is fixed to the hub 25, e.g. by crimping 25c. Both cannulas have pointed outer ends 23a, 31a. The cannula 31 is slidable inside a bushing (29), Fig. 3 (not shown) which has a portion (29c) forming a close frictional fit thereabout. The bushing (29) is secured inside the hub 25 by crimping the latter 25g. The bushing (29) also has a tapered end 29b serving to locate the partition 27 against a shoulder (25a), Fig. 3 (not shown) of the hub 25. The cannula 31 is flared at its blunt end 31b to limit movement away from the partition 27. The hub 25 may be secured to a conventional barrel 51, containing an evacuated glass vial 63 with a piercable rubber stopper 65, by a bayonet connection 25h, (53a') Fig. 1 (not shown) having a seal 33. The hub 25 may be of malleable metal, e.g. aluminium, the partition 27 is preferably ethylene propylene rubber, and the bushing (29) is preferably an acetal resin.
Patent GB-158135-A (GB)
Title: Improvements in or relating to tool holders for lathes, shaping, planing and other like machines
IPC: B23B27/16
Filed: 1919-11-22
Abstract: 158,135. Miller, R., and Icke, S. C. Nov. 22, 1919. Tool-holders .-In a tool-holder for a lathe, planing-machine, &c., the tool b is secured in a recess c in the holder body by means of a wedge e having an inclined rear portion coacting with the rear wall of the recess. When the holder is placed in the machine, the wedge e is forced downwards and its tapered front end engages a projection d<2> on an integral bridge-piece d, thus locking the tool securely in position.
Patent GB-499190-A (GB)
Title: Improvements in or relating to milling or other machine-tools
IPC: B23Q11/00
Filed: 1937-06-14
Abstract: 499,190. Milling - machines &c. KEARNEY & TRECKER CORPORATION. June 14, 1937, No. 29316/38. Convention date, June 20, 1936. Divided out of 499,137. [Class 83 (iii)] A milling-machine or other machine tool has a column 31 with a compartment 51 for lubricated mechanism and a louvred ventilating plate 202 with openings 203, the plate being fitted with baffles 205, 207, which prevent escape of lubricant from the compartment while permitting free circulation of air. The machine is driven from a motor mounted in the base of the column by means described in Specification 499,137.