baber/WOPTO huggingface dataset:
Patent GB-1513127-A (GB)
Title: Road vehicle electrical systems
IPC: B60Q3/02
Filed: 1975-05-02
Abstract: 1513127 Vehicle electrical systems LUCAS ELECTRICAL LTD 2 May 1975 [8 May 1974] 20255/75 Heading H2H A vehicle electrical system includes an interior lamp which is illuminated when a vehicle door is opened and remains illuminated for a predetermined period after the door has been closed. Opening of a vehicle door closes one of the switches 18 or 19 thereby causing a transistor 23 to turn on by virtue of the current flowing in resistors 22, 21, 42, the diode 17 and the switch 18 or 19. Turn on of the transistor 23 causes turn on of transistors 26, 28, 31, when the interior lamp 37 is illuminated by way of a switch 36, normally in the position shown, resistor 32 and the transistor 31. At the closure of a switch 18 or 19 a capacitor 35 also charges by way of resistors 34, 42, diode 17 and the switch 18 or 19. When the door is closed so that the switches 18 or 19 are both open, the capacitor 35 discharges through the resistor 21, the base-emitter junction of the transistor 23 and resistor 34. Transistor 23 and hence transistors 26, 28, 31 remain turned on and the lamp 37 illuminated until the capacitor 35 is discharged, say, for a period of 8 seconds. Should however the ignition switch 14 be closed, the capacitor 35 rapidly discharges by way of resistors 34, 16 and diode 15 whereby no delay is incurred in extinguishing the lamp 37. Switch 36 allows manual ON-OFF control of the lamp 37.
Patent GB-1043545-A (GB)
Title: Extracts of embryonic tissues and pharmaceutical compositions containing the same
IPC: A61K35/54
Filed: 1963-05-21
Abstract: A solid extract of embryonic tissue having therapeutic properties, e.g. for treatment of insomnia and rheumatism, is prepared by (a) extracting embryonic maxillae (teeth) tissue of mammals with water, (b) adjusting the pH of the extract to from 3 to 4, (c) adding an inorganic salt as a precipitating agent to precipitate impurities from the extract, (d) separating supernatant liquid from insolubles, (e) adjusting the pH of the separated liquid from 7.5 to 8.5, (f) again separating supernatant liquid from insolubles (g) adjusting the pH of the separated liquid to from 5 to 6, (h) adding an inorganic salt as a precipitating agent to precipitate the desired substance, and (i) separating the precipitated substance from the liquid.  The product may then be dissolved in water, purified by dialysis and finally lyophilised.  The inorganic salt may be (NH4)2SO4, Na2SO4 or NaCl.  A pharmaceutical composition comprises a solid extract as above and a carrier for oral, rectal or parenteral use and may be in the form of a tablet, pill or powder.  It may be used topically in a shampoo or may be incorporated in a dentifrice.
Patent GB-1078566-A (GB)
Title: Improvements relating to packs including cartons and the like
Inventor: SZENES ALEXANDER LOUIS
IPC: B65D5/60
Filed: 1963-05-22
Abstract: 1,078,566. Lined cartons. GENERAL INDUSTRIAL PLASTICS (LONDON) Ltd. Aug. 20, 1964 [May 22, 1963], No. 20323/63. Heading B8P. A pack comprises a carton 1 having an inner bag 2 which protrudes above the upper edge of the main rectangular body portion 5 of the carton. The inner bag 2 is of the flat type, is closed at the bottom and open at the top and, as shown in Fig. 2, the pack has been partly erected from a folded blank to which the inner bag is firmly secured by a closed band of adhesive in the region of line 6 near the upper edge of the carton. This ensures that the upper end of inner bag 2 is automatically opened out for goods or material to be introduced. The two ends of the carton are closed by folding in the flaps 3 and tongues 4, the open end of the inner bag being closed and folded in automatically at the same time as the flaps at this end of the carton.
Patent GB-404689-A (GB)
Title: Improvements in or relating to the treatment of steel tools
IPC: C23F1/06
Filed: 1932-07-18
Abstract: A process for sharpening tools having cutting edges such as files, rasps etc. in which the tool is immersed in a bath containing acids capable of dissolving steel and also salts of a metal more electro-positive than iron, for example, salts of copper, nickel or cobalt.  The tool is placed vertically so that a homogeneous coating of metal is formed on the upper face of the cutting edge and a non-homogeneous coating on the lower face which allows access of the bath to this face.  During the process the coating may periodically be removed by brushing.  Neutral salts having similar ions to the acids e.g. potassium nitrate may be added to the bath to increase the dissolving of the ferrite more rapidly than that of the earlite or cementite.  A depolariser is added e.g. an alkali salt of an acid of chromium, vanadium or tungsten.  The denseness of the metal coating depends upon the chlorine ion content of the bath which is preferably between .1 per cent and 1 per cent.  The tool may be coated in one bath and etched in another.
Patent GB-1020009-A (GB)
Title: Electric circuit interrupters
IPC: H01H9/10
Filed: 1963-05-22
Abstract: 1,020,009. Automatic circuit-breakers. WESTINGHOUSE ELECTRIC CORPORATION. May 22, 1963 [May 28, 1962], No. 20390/63. Heading H2B. A multi-pole circuit-breaker 5 has currentlimiting fuses 133 arranged in a removable housing 131 (Fig. 3, not shown) and operatively connected with the common tripper bar 99 of the circuit-breaker so that the blowing of any fuse or the removal of the housing causes operation of the tripper bar to effect opening of the breaker, removal of the housing 131 causing a leaf spring 173 to engage an arm 181 of tripper bar 99 to reotate it, Fig. 1, (Fig. 2, not shown). The actuator 145 of each fuse 133 when blown moves an arm 151 to rotate a tripping bar 149, which bar has an arm 153 which in turn engages a second arm 155 on the common tripper bar 99 to operate the breaker. The breaker cannot be reset with a blown fuse therein. The plunger 145 of fuse 133 operates as in U.S.A. Specification 2,435,844. The breaker mechanism 14 is as in U.S.A. Specification 2,989,606.
Patent GB-733462-A (GB)
Title: Needle-vibration control for zigzag stitch sewing machines
IPC: D05B3/02
Filed: 1953-07-22
Abstract: 733,462. Sewing-machines. SINGER MANUFACTURING CO. July 22, 1953 [May 25, 1953], No. 20413/53. Class 112. A needle vibration control for zig-zag sewing- machines comprises an adjustable guideway for controlling the lateral throw of the needle, a shaft carrying the guideway, a member in which the shaft is carried for rotary and bodily movement, an arm or handle connected to the shaft for turning the latter to effect adjustment of the guideway, and means for producing a tactual signal whenever the arm or handle is moved past a selected location or locations. The invention, as described, consists in a modification of the arrangement in Specification 436,049. A shaft 50 is provided at one.end with a handle 61 and at the other end with a guideway in the form of an open-ended slot 45 provided in a member 46 secured to the shaft by a screw 49. A block 44, slidably disposed in the slot, is pivoted to a pitman 38. Rotation of the shaft, by means of the handle, thereby serves to alter the amplitude of the vibration transmitted to the needle by the pitman. The shaft is journaled in a sleeve 51 which is provided at one end with a handle 59 and is also provided midway of its length with an eccentric 56 adapted to co-operate with an inclined slot 55 provided within a fixed sleeve 52. Rotation of sleeve 51, by means of handle 59, thereby results in combined lateral displacement of the sleeve and shaft, and so serves to move the neutral or non-vibratory position of the needle within the field of vibration of the latter. A cup-member 74 is journaled on the shaft between the handles, and is slidably mounted on a plate 63 secured to an extension of sleeve 52, by means of lugs 80 on the cup 74 disposed in a slot 81 aligned with slot 55. A spring-biased plunger 114 mounted in the base 89 of handle 61, cooperates with a radial slot 113, formed in an annular member 106 journaled on a hub portion 87 of the cup 74, to produce a tactual signal within the handle when the latter is moved past a selected position. Member 106 is secured in adjusted position by means of a screw 108 pressing a shoe 110 against the hub 87. Movement of the handle is limited by a pin 93 which is secured to the cup 74 and passes into the base 89 through a notch 94 in the latter. Movement of the handle causes pin 93 to displace an arcuate shoe 95 against the bias of a spring 97. Shoe 95 may be locked by means of a screw 100 to limit the movement of the handle within the range of notch 94. The inner end 67 of a finger 68 pivoted at 69 to handle 59 co-operate with a radial groove 66 in plate 63 to produce a tactual signal within handle 59 when the latter is moved past its mid-portion. The finger may be withdrawn from contact with plate 63 against the bias of a spring 72. The rim of cup 74 is provided with markings to indicate the amplitude of the needle vibration, and also the location of the neutral position of the needle. Specification 733,470 also is referred to.
Patent GB-402189-A (GB)
Title: Improvements in and relating to wind screen wipers
IPC: B60S1/54
Filed: 1932-07-19
Abstract: 402,189. Wind screen-cleaners. SUTHERLAND, R., 3, Lombard Street, London, and FAIRHURST, C. R., 9, North Street, Leatherhead, Surrey. July 19, 1932, No. 20458. [Class 138 (i).] A windscreen-cleaner comprises a movable wiper arm employed in association with means for delivering hot gas to the screen. In the construction shown in Fig. 1, the exhaust manifold f of the vehicle containing the windscreen a is provided with a muff e communicating with an impeller d which is adapted to force heated air through a pipe c on to the screen in proximity to the wiper arm b. The bottom of the muff is open to the atmosphere, but it may terminate in a trumpet-shaped pipe the end of which is adjacent to the fan i, which drives the hot air through the pipe c, the impeller in this case being dispensed with. In a further modification, the wiper b is provided with a fan-shaped chamber adapted by creating suction to cause a flow of hot air to the screen. The wiper b, as shown in Figs. 4 and 5, is provided with two blades k of indiarubber or other flexible material and is of tubular formation communicating with the pipe c. Apertures l are provided leading to the space between the blades k. In a further construction shown in Fig. 7, the wiper b is provided with an electric resistance p which is adapted to be connected to a source of current whereby the air between the blades k is heated. According to the Provisional Specification, means may also be provided for controlling the amount and temperature of the air flowing to the screen and for regulating the impelling means. Reference has been directed by the Comptroller to British Specifications 311,167, 326,042, 335,822, [all in Class 138 (i), Washing and cleaning buildings &c.], and U.S.A. Specification 1,829,396.
Patent GB-206019-A (GB)
Abstract: 206,019. Gildersleeves, F. A. Nov. 7, 1922. Plate and the racks.-A folding plate-rack comprises an outer frame, having uprights a and cross-members b, c, and inner frames, pivoted in the outer frame about the axes of their upper members e, the inner frames being divided vertically by rods or strips d and adjusted angularly, to accommodate various sizes of plates, by notched members g. The plates rest on the lower members e and the cross-members c. Bottom brackets j are slotted to engage screw hooks projecting from the uprights a and are also slotted to receive a detachable towel rail k. The brackets j may be used as a base when the device stands on a table, or they may co-operate with slotted brackets i, when the device is supported from a wall, in which case the rack may be collapsed and pushed against the wall when empty. The uprights may each comprise two members hinged at l, catches m keeping the parts in line when in operation. Articles may be hung from the screw hooks.
Patent GB-607963-A (GB)
Title: Improvements in or relating to gearing arrangements
IPC: B64C11/44
Filed: 1945-08-10
Abstract: 607,963. Epicyclic change-speed gear. COMPAGNIE GENERALE POUR L'EQUIPEMENT AERONAUTIQUE. Aug. 10, 1945, No. 20602. Convention date, Feb. 10, 1943. [Class 80 (ii)] [Also in Groups XXXIII and XXXIV] Gearing for operating the pitch - changing mechanism of a propeller provides two speeds, one greater and one less than that of the driving shaft, by epicyclic gear trains which together with a non-rotatable electromagnetic brake are arranged round the driving shaft, the brake moving axially to co-operate with either of the gear trains. The driving shaft 2 carries a driving sun-wheel 1 meshing with gears 15 planetating inside an annulus 10 secured to an electromagnetic brake-disc 5 which is non- rotatable but maintained normally in a central position by springs 9. Planet gears 13, 14 are rigidly connected by a shaft freely carried in the hub of the gear 15, and engage with annuli 11, 12 rigid with freely mounted armatures 6, 7. The planet-gear 13 meshes with a sun-gear 3 formed on a member freely rotatable about shaft 2 and having teeth 3<1> driving a driven gear 4, which turns toothed wheels secured to the propeller blade-roots. Energization of a coil 8 draws the brake-disc 5 against the springs 9 towards the armature 6, which is thereby braked and allows transmission of drive from the gear 1 to gear 3 through gears 15, 10, 13, 11, the gear 3 being rotated at a speed greater than shaft 2. Energization of a coil 8<1> brakes armature 7, and the gear 3 is driven slower than shaft 2. The planet system 13, 14 is supported by friction rollers 16 bearing on annular friction surfaces on the annuli 11, 12.
Patent GB-938934-A (GB)
Title: Improvements in or relating to a gear assembly
IPC: F16H57/022
Filed: 1960-06-13
Abstract: 938,934. Toothed gearing. MAAG GEAR WHEEL & MACHINE CO. Ltd. June 13, 1960 [July 9, 1959], No. 20705/60. Class 80 (1). In a toothed gear having parallel driving and driven shafts 18, 15 carrying pinions 1, 14 interconnected by pinions 10-13 on two intermediate shafts 8, 9, the driving shaft 18 is free to move transversely in a plane perpendicular to the resultant R of the two toothed pressure forces Z1, Z2 between the driving pinion 1 and the two intermediate pinions 10, 11, so as to ensure that the load is transmitted equally through the two intermediate shafts. The driving shaft 18 is supported on either side of its pinion 1 by bearings 2, Fig. 1, or 23, Fig. 3, which are either pivoted at 5, Fig. 1, or connected through webs 25 and brackets 24 to one port 7 of a three-port casing 7, 16, 27. The webs 25 bend to permit the transverse movement of the shaft 18 and the bearings 2 (or 23), one interconnected by struts 4. The transverse movement of the shaft 18 is limited by studs 19. Specification 938,935 is referred to.
Patent GB-256063-A (GB)
Title: Improvement in the means of extracting dust and grit from air, flue gas or other medium
IPC: B07B7/08
Filed: 1925-08-19
Abstract: 256,063. Chew, S. N. Aug. 19, 1925. Density separators. - An extractor for removing dust from air, flue gas or the like, has two conical frustra c, c arranged base to base to form an annular separating chamber with a dust outlet d at the extreme periphery leading to the collecting shoot e. A curved plate c<1> extending the full width of the casing g completes tubular formation of the passage between the frustra and is bent back at one end to leave a gap f; slots h are: also provided near the edges so that any gas which passes with the dust through the outlet d will return through the slots h and gap j. The ends of the passage are connected to inlet and outlet ends a, b. A separator may be formed having a number of these units connected in series or in parallel. The conical frustra may be arranged on the periphery of the casing of a centrifugal fan with outlet and dust shoot e, Figs. 4 and 5, and a passage m to return to the fan any air which escapes with the dust. In another modification the axis is vertical, the lower conical plates are flatter than the upper plates, and the bottom plate is provided with a small central aperture for an air return.
Patent GB-1341184-A (GB)
Title: Reduction of molecular weight of unsaturated polymers
IPC: C08F36/00
Filed: 1970-11-04
Abstract: 1341184 Reducing molecular weights of unsaturated polymers GOODYEAR TIRE & RUBBER CO 4 Nov 1970 [4 Dec 1969] 20779/73 Divided out of 1340524 Heading C3P The molecular weight of a polymer having olefinic double bonds in the main polymer chain is reduced by reacting the polymer in the presence of an olefin metathesis catalyst with a compound of formula G 2 C=CHG, where G is hydrogen, methyl or D-CH 2 - and D is a hydrocarbon group. The reaction of 2-octene with polyoctenamer in the presence of WCl 6 . EtOH and EtAlCl 2  (immediately after formation of the polymer from cyclooctene and the same catalyst) is described, and polymers and copolymers of butadiene and isoprene are also mentioned.
Patent GB-810224-A (GB)
Title: Improvements in or relating to indicators of variable values
Inventor: WILKES EDWARD GEORGE MARSTON
IPC: G01P1/08
Filed: 1956-07-04
Abstract: 810,224. Indicating-apparatus. GENERAL MOTORS Ltd. June 21, 1957 [July 4, 1956], No. 20786/56. Class 106 (4). Indicating-apparatus comprises a front plate 20 having an arcuate window 22 which subtends at a point 24 an angle of more than 180 degrees, and a rear plate which is rotatable relative to the front plate 20, in accordance with a variable, about the point 24 as centre offset from the centre 26 of the window 22 and has thereon a distinctively marked area 27 such that the relative rotation of the front and rear plates is indicated by the length of the arc of the area 27 visible through the window 22. If the rear plate is white, the distinctive area 27 may be red and it is of such extent that when the rear plate is rotated to the position (a) of a zero indicated value, the area 27 lies wholly outside the window and (b) of a maximum indicated value, the window exposes only a marked part of the rear plate. This can be achieved with the centre of either the inner or outer arc of the area 27 coinciding with the centre 26 of the window when the rear plate is rotated to maximum indicated value. When applied to indicating speed, the instrument case may also house a clock and an odometer and be suitaby formed for mounting on a dashboard. Reference has been directed by the Comptroller to Specification 769,902.
Patent GB-643636-A (GB)
Title: Improvements relating to aircraft retractable undercarriages
IPC: B64C25/34
Filed: 1948-08-06
Abstract: 643,636. Aircraft landing-gear. DOWTY EQUIPMENT, Ltd., and CUSSONS, R. C. Aug. 6, 1948, No. 20828. [Class 4] [Also in Group XXIX] An aircraft retractable bogie undercarriage is rocked about its attachment to the undercarriage leg by a hydraulic power device, the control valve of which is actuated from a fixed cam through a floating lever follow-up linkage. As the leg 14 is retracted by the jacks 23 about the pivot 22, the end 35 of the floating lever 34 follows a fixed cam 36 to adjust the valve 33 controlling fluid pressure to the jack 24. The latter is connected at 26 to a bell-crank 20 pivoted at 13 to the leg and at 19 to two shock absorbers 17, 18 connected to wheel carrying levers 12, 16, each independently pivoted at 13. Rocking of the bogie by the jack 24 produces a follow-up through the bell-crank 20, link 39, bell-crank 38, link 37 and floating lever 34 to recentre the control valve. A byepass including a two-way relief valve 41 enables the jack 24 to damp out rocking of the bogie during landing or taxi-ing should the shock absorbers 17, 18 be unevenly loaded.
Patent GB-1018590-A (GB)
Title: Mine anchor-line cutter
Inventor: TEMPLE ROBERT
IPC: B63G7/04
Filed: 1961-06-08
Abstract: 1,018,590. Mine anchor-line cutters. MINE SAFETY APPLIANCES CO. June 8, 1961, No. 20839/61. Heading B7A. A mine anchor-line cutting tool suitable for engagement by like tools in a group of parallel tools extending at right angles to a supporting sweep line comprises a frame 1 provided with a rearwardly extending barrel 3 and an anvil 9 with a portion spaced in front of the barrel, in which barrel a chisel 4 is slidably mounted for movement toward the anvil by an explosive charge 7 disposed within the frame behind the chisel, means being provided for detonating the charge 7 and including a rod 37 normally held in a forward inoperative position by a rigid trigger 45 which moves when engaged by an anchorline in such a direction as to release the rod 37 for movement to its operative detonating position by means of a coil spring 43. The spring 43 encircles the rod 37 and is compressed between the front wall of a recess 38 in the frame 1 and the front end of a plunger 33 to which the rod 37 is fastened. Movement of the rod 37 causes the plunger 33 to enter a passage 30, which is filled with water when the tool is submerged, the water being compressed by the plunger 33 and a piston 31 contained in this passage 30 moved rearwardly to actuate a firing pin 22 by means of a pivoted lever 26. Such a tool is light in weight and several of them can be mounted side by side on a single fin. The leg 10 of the anvil 9 is reduced in thickness at its rear end so that it can extend into a notch ] 1 in the front end of the frame 1 where it is secured by means of a threaded shear pin 12. The anvil 9 is released when it is struck by the chisel 4 but, because its leg 10 is confined between the side of the chisel 4 and the adjoining frame, it is compelled to move straight ahead far enough for it to clear the anvil on the frame of the adjoining tool.