baber/WOPTO huggingface dataset:
Patent GB-1271896-A (GB)
Title: Semiconductor rectifying junction device
IPC: H01L29/866
Filed: 1970-06-02
Abstract: 1,271,896. Semi-conductor devices. RCA CORPORATION. 2 June, 1970 [10 June, 1969], No. 26488/70. Heading H1K. A Zener diode in an integrated circuit comprises a first p type region formed of two portions, one of which 28 is of high dopant concentration while the other 30 is of lower dopant concentration, and a second n + type region 32 formed so as to define a pn junction with both portions 28, 30 of the first region. The part 36 of the junction defined by the lower dopant concentration portion 30 of the first region is significantly deeper than the part 34 defined by the high concentration portion 28, and an electrical contact 38 for the second region 32 is situated only above the deeper part 36 of the junction. In the Si device described the portions 28, 30 are formed by diffusion from boron nitride into an n type island 24 defined in an epitaxial layer 14 on a p type substrate 12 by p<SP>+</SP> isolation walls, the different depths and dopant concentrations being obtained by control of the diffusion temperature. A single diffusion from POCl 3  defines the n+ type region 32, the two junction depths being determined by the different dopant concentrations in the first region 28/30. Alloyed Al electrodes 38, 40 are finally applied as shown.
Patent GB-206979-A (GB)
Title: Improvements in or relating to the driving arrangements of pirn and/or cop winding or like machines
IPC: B65H59/38
Filed: 1922-10-02
Abstract: 206,979. Crabtree, W. H. Oct. 2, 1922. Conveying rotary motion.-In order that cons or pirns having tapered bases and noses mav be wound with an even tension throughout and at an increased speed, the spindles are driven at a speed in accordance with the diameter at which winding is taking place through gear wheels 6, 3, connected by a pin 5 and slot 4, the wheel 6 being initially concentric with the wheel 3 so as to drive it at an equal speed, and gradually moved, during the formation of the base of the cop, into the eccentric position shown in Fig. 3, and thereafter, during the winding of the body of the cop, maintained in that position. The wheel 6 is mounted in a holder 10 which is operated by a cam, or, as shown in Fig. 5, by screws 11 operated by a, ratchet wheel 14 actuated from a moving part of the machine. When the cop bottom is formed a, bar 18 falls into a notch in a disc 21 on the screw 11 and by means of a rod 22 operates a lever arrangement which lifts the pawl of the ratchet. If a cam is used the gears may be operated from a concentric to an eccentric position, as above described, and back again to a concentric position, or vice versa.
Patent GB-294221-A (GB)
Title: Improvements in controlling devices for motor vehicles
IPC: G05G25/00
Filed: 1927-10-08
Abstract: 294,221. Aktiebolaget Spontan. July 21, 1927, [Convention date]. Controlling different functions by same lever; stop-gear operated by driver releasing a lever.- Relates to controlling-apparatus of the kind described in Specification 286,241 in which the brakes are applied by a spring and released by a pedal further depression of which, after the brakes are released, operates the throttle or other engine control, and comprises an arrangment in which the action of the brake spring on the pedal is at a minimum near the lowest end position of the pedal and increases in each direction from the minimum value position. In the construction shown in Fig. 1 the pedal a is mounted on a shaft f and is raised to actuate brake rods d, d' by a spring b acting between a fixed pivot g and a pivot e on the pedal. In its lowest position the pedal actuates the throttle linkage s, and in this range of movement the spring passes from one side of the line M joining the pivots g, f, to the other, so that as the throttle is gradually opened the spring pressure against the pedal first decreases and then increases. The spring abuts against plates u, v, having pins h, l which can rock to a limited extent in the pivots e, g while the pedal is in its higher positions; however, when the pedal is depressed to control the throttle the pins reach the limit of their rocking movement and the spring is thereafter bent by further depression of the pedal. In a modification the brakes are applied by a torsion rod one end of which is controlled by an adjustable stop while the other carries an arm acting through a cam member on the pedal a.
Patent GB-882435-A (GB)
Title: Improvements in and relating to adjustable or reclining seats
Inventor: BROSCOMB DENNIS GEORGE
IPC: A47C1/032
Filed: 1959-08-05
Abstract: 882,435. Reclining seats. PETERS & CO. Ltd., G. D. Aug. 5, 1960 [Aug. 5, 1959], No. 26684/59. Class 52(2) In an adjustable or reclining seat structure for two seats side frame members include members 1, 2 integrally connected by transverse members 6, 8 and supported on pedestals 9, seat bases 15 slide on slides 14 in guides 13 and a back rest has a bottom member 20 hinged to slides 14 by resilient hinges 21, an arm rest member 22 being pivoted at its rear end to a side member 18 of the back rest by a rubber sleeve torsion mounting and at its other end to extension 28 of member 2 by a cross pin 27. To enable the seat to be secured in a desired adjusted position a spring- loaded pin mounted in a bracket attached to one of the seat slides engages one of a series of spaced holes in an adjacent guide 13 and is operated by a cable passing through a slot in member 8 and through member 2 to a guide 34, the cable end being secured to an arm 35 pivoted at 36 to arm rest 22 and carrying a finger piece 37. Return of the seat to a sitting position is aided by a spring 38 connected between the seat slide and transverse member 8. Where only one arm rest is provided for each seat the back frame is supported on the other side by a member 39 secured to members 6, 8 (Fig. 6) and having a radius arm 40 pivoted thereto and to sidemember 18.
Patent GB-369527-A (GB)
Title: Improvements in and relating to fan installations for furnaces
IPC: F23L17/00
Filed: 1931-09-25
Abstract: 369,527. Fan installations for furnaces. SCHMIDT'SCHE HEISSDAMPF-GES., 2, Rolandstrasse, Wilhelmsh÷he, Cassel, Germany. Sept 25, 1931, No. 26755. Convention date, Dec. 10, 1930. [Class 51 (i).] A forced and induced draught fan installation for furnaces comprising a flue gas fan 9 and a smaller air supply fan 8 driven by the same motor, such as a steam turbine 6, has the air supply fan 8 mounted directly on the turbine shaft while the flue gas fan 9 is driven by the motor through reduction gearing enclosed in the casing 10.
Patent GB-470540-A (GB)
Title: Improvements in or relating to the extraction of heavy metals from phosphatic ores, slags, and like materials containing them
IPC: C22B34/00
Filed: 1936-10-02
Abstract: In the extraction of heavy metals such as vanadium, uranium, tungsten, molybdenum, tin, chromium, titanium, tantalum, and niobium from phosphatic ores, slags, or like materials containing them, the initial material is roasted or smelted under strongly oxidizing conditions in the presence of fluorides and of alkaline-earth metal oxides, so that in the subsequent leaching step for extracting the soluble heavy metal compounds phosphoric acid remains in the residue in the form of a double salt with fluorine and the alkaline-earth metal oxide.  In one example, a pig iron slag containing phosphates and vanadates is subjected to chlorination roasting at 800 DEG  C. in admixture with sodium chloride and with addition of fluorspar and lime.  On leaching with sodium carbonate solution substantially all the phosphoric acid remains in the residue.  In a second example, a uranium ore containing phosphate is roasted at 850 DEG  C. with the addition of lime and fluorspar, and leached with sodium carbonate solution, the phosphate content of the liquor being very small. Strongly oxidizing conditions during roasting are obtained either by employing a large excess of air or by adding oxidizing agents such as alkali metal nitrates or chlorates.
Patent GB-836931-A (GB)
Title: Improvements relating to ambulances
Inventor: REED NORMAN FREDERICK
IPC: A61G1/02
Filed: 1957-08-24
Abstract: 836,931. Ambulance vehicles. MORRIS MOTORS Ltd. Sept. 24, 1958 [Aug. 24, 1957], No. 26782/57. Addition to 729,100. Class 108(1) An ambulance stretcher carrying frame 1 pivoted at its rear to the floor by cranked struts and provided with forward wheels 2, has on each side a pair of parallel swinging links 6 from which are pivotally suspended a tray 5 or other support holding a mattress 4. In the chain line loading position the mattress 4 is below the level of the frame 1, and the wheels 2 are at the top of a ramped platform 3 provided with a roller 7 upon which the tray 5 bears in all positions of the frame 1. As the stretcher loaded frame 1 is pushed upwardly and inwardly, pivoting about the cranked struts, the wheels 2 descend the ramp 8. After a position has been reached where the two pivots of each cranked strut are vertically above one another, the mattress 4 is constrained to remain horizontal whilst the frame 1 sinks beneath it until the full line position is reached where the stretcher and patient are supported on the mattress. The leading edge 10 of the tray 5 is chamfered to ride on to another roller 11 which supports the forward edge of the mattress when the frame 1 is in its innermost position.
Patent GB-504602-A (GB)
Title: Improvements in magnesium alloys
IPC: C22C23/02
Filed: 1938-09-14
Abstract: 504,602. Alloys. VON GIESCHE'S ERBEN, G. Sept. 14, 1938, No. 26823. Convention date, Sept. 21, 1937. [Class 82 (i)] A magnesium alloy comprises 1-15 per cent of each of aluminium, bismuth, and cadmium, the total of the three added metals being 6-23 per cent, with or without 0À1-1 per cent of one or more of the following : calcium, silicon, manganese, iron, nickel, cobalt. The bismuth may be partly replaced by lead or tin or both.
Patent GB-326813-A (GB)
Title: Improvements relating to the low temperature carbonisation of coal and other suitable fuels
IPC: C10B7/06
Filed: 1928-09-19
Abstract: 326,813. Hackford, J. E. Sept. 19, 1928. Carbonizing apparatus and processes.-In the low temperature carbonization of solid fuel, adhesion between the fuel and the container, or conveyer, is prevented by interposing a thin layer of a medium which is decomposed by heat, to produce a dry carbon without passing through a plastic stage. Suitable substances are paper, paper or sawdust pulp, or cardboard, and the thin layer may be formed by spraying the medium in a liquid or semi-liquid state. The fuel may be carbonized on an endless chain conveyer b, Fig. 1, in a heated chamber a, being deposited on a layer of paper e supplied from a roll f. In Fig. 2, the fuel charged into paper or cardboard containers j i is passed through the heating chamber in receptacles l the containers being so thin that, after carbonization of the contents, the removal of the charge is unnecessary. In a preferred method, the fuel is fed into tubular metal containers m having detachable caps n and which previously to being charged are sprayed with a solution of paper pulp by a sprayer s. After discharge of the residue, the carbonized lining is removed by scrapers.
Patent GB-419115-A (GB)
Title: Improvements in optical-projection apparatus
IPC: G03B21/00
Filed: 1933-09-29
Abstract: 419,115. Changing signs. HEAULME, H., 36, Rue de Laborde, Paris. Sept. 29, 1933, No. 26868. [A Specification was laid open to inspection under Sect. 91 of the Acts, March 30, 1934.] [Class 3 (i).] Optical - projection apparatus.-An opticalprojector 4 is mounted on a vertically reciprocating counter-balanced frame 7 so that the image, reflected by a mirror 3 on to a screen 2, increases in size as the projector rises. The lamp of the projector 4 is switched off during the downward movement, and the lamp of a stationary projector 5 is illuminated to throw another image on the screen 2 by reflection at the mirror 3. Means are provided for keeping the image of the moving projector 4 in focus, consisting of a stationary cam 12 on which rides a wheel on an arm connected by linkage with the objective l. The frame 7 is steadied by rollers moving over lateral guides and is reciprocated by a stud 18 projecting from an endless chain 8 driven by a'motor 23. Mercury switches 30, 31 for controlling the lighting of the projectors 4 and 5 respectively are tilted in quick succession by the engagement of stud 18 with pivoted fingers 25, 26, which act through rods 27, 28. The frame 7 reverses the switch 30 by engagement with a projection on the rod 27 when it reaches the top of its path, and by a cam 37 reverses the switch 31. The frame 7 carries reels over which runs an endless web transparency which is moved forward one step at each reciprocation of the frame by a pawl oscillated by riding on a stationary cam. Fig. 7 shows a modified form of mechanism for reciprocating the objective l to adjust the focus and for advancing the endless web A. The objective is coupled to an oscillating lever 64 controlled by a cam 67 rotated by a rack 72 on a tube B which houses the counterweight, the rack meshing with a pinion 71 geared to the cam shaft 68. A pinion 73 on the shaft 68 engages two pinions 74, 75 on the spindles of which are keyed balance weights 76, 77 to which is articulated, at 78 and 79, a deformable parallelogram constantly urged in an upward direction by a spring 80. Teeth 82 on the parallelogram enter spaced perforations in the edges of the band A to move it forward. Registering teeth 83 on a spring 84 enter the succeeding band perforations at the end of each stroke, and are displaced at the beginning of the next stroke by the teeth 82.
Patent GB-1037717-A (GB)
Title: Improvements in the dyeing and heat-setting of textile articles
Inventor: HALL HERBERT JAMES
IPC: D06P5/20
Filed: 1964-06-30
Abstract: Textile articles especially ladies' stockings of synthetic linear polyamide fibres are dyed and heat-set in a process wherein the article is placed on a form or shape (board) and is then subjected within a chamber or autoclave to dyeing, rinsing and heat-setting which dyeing step is carried out at atmospheric pressure and at a temperature not exceeding 212 DEG F.  The specified dye may be of the disperse type.  Examples are given of dyeing and heat-setting stockings of nylon 6 and nylon 66.
Patent GB-682906-A (GB)
Title: New or improved seating arrangements for motor vehicles
IPC: B60N2/015
Filed: 1950-11-03
Abstract: 682,906. Seating arrangements and body details for vehicles. BARENYI, B. Nov. 3, 1950 [Nov. 27, 1948], No. 26927/50. Classes 103 (ii) and 108 (i). A seating arrangement for private motor vehicles is distinguished by seat supports projecting inwardly of the vehicle from longitudinal or transverse frame members surrounding the interior space of the vehicle. In the embodiment described there are three side-byside seats wherein the outer seats are slidably supported on tubular members c, each of which is formed with a bracket d having an upper lip which engages within a channel-section flange e<3> of a frame member e<1> and a lower lip which rests on the lower flange e<2> of the frame member. The seat may be adjusted longitudinally of the vehicle by sliding movement of the bracket d within the member e<1> and a pin is inserted in the lower lip and the web of the frame member to lock the seat in a selected position. The seat is removed by an upward and outward swinging movement as shown in Fig. 1. The middle seat, Fig. 7, is supported on a transverse frame member k<1> by means of a bow-shaped support m, the seat being adjustable along the legs of the bow and in an alternative arrangement the central seat may be mounted on tubular members and the outer seats on bowed members and certain seats may be reversed in direction. Further, in a body of unitary construction which dispenses with the frame member e<1>, the bracket d is engaged within a guide formed within the sill member e. The transverse members k<1> are secured to the longitudinal sill members e, which may be formed in one piece with the curved floor i.
Patent GB-488705-A (GB)
Title: Improvements in apparatus for the filtering of lubricating oil
IPC: B01D27/00
Filed: 1936-10-05
Abstract: 488,705. Filters. BURGESS, A. F. (Deluxe Products Corporation) Oct. 5, 1936, No. 26960. [A Specification was laid open to inspection under Sect. 91 of the Acts, Sept. 17, 1937.] [Class 46] A filter cartridge consists of a mass of fibrous material provided internally with supporting means to prevent compression. Fig. 1 shows an oil filter having a cartridge in which the fibrous material 21 is enclosed in a sack 18 and is provided internally with a metal helix 15. The filtering material is wound about a cone 11 the bottom of which is extended horizontally to form the base of the cartridge below which is a sump 4 from which a tube 5 extends upwardly through the filter. The inlet 6 is narrowed at 7 to produce agitation of the oil as it passes into the tube 5. The latter is provided with openings 9 through which the oil is projected against the cone 11 the lower part of which is formed with perforations 12 through which the oil passes into the filtering medium 21. Dense ingredients separate out from the oil after its discharge through the openings 9 and gravitate into the sump 4. The filtered oil passes through the perforated cap 22 of the cartridge and leaves by the exit 38. The top of the filter is provided with a spring-pressed ball valve 25 which opens under excessive pressure and allows oil to pass directly from the inlet 6, through the tube 5 to the outlet 38. Fig. 5 shows a device for making the cartridge. The fibrous material which may be cotton is formed into a band of loose yarn and is fed through a slot 48 in a fixed cylinder 47 which encloses a spindle 41 carrying a chuck 42 to which the cone 11 is fixed by pins 43. The helix 15 is attached to the base of the cone which is rotated with the spindle 41. Before the winding operation is commenced the sack 18 is attached to the top of the cone and lies along the spindle. When the winding is completed the end block 46 is removed and the bag pulled over the outside of the cylinder 47 whereupon the cartridge is pushed out of the cylinder by the chuck 42 and pushed into another cylinder which pulls the bag 18 over the wound material in which position it is secured by a string. A wire handle is then attached. The Specification as open to inspection under Sect. 91 describes a cartridge in which the internal supporting means comprises a quantity of coarse animal hair such as hog hair which is intermingled with the cotton yarn before the winding operation. In another form, the cartridge consists of a roll of wicking or paper or of alternate layers of wicking and paper. This subject-matter does not appear in the Specification as accepted. Reference has been directed by the Comptroller to U.S.A. Specification 1,981,307.
Patent GB-762959-A (GB)
Title: Improvements in and relating to the treatment of threads with fluids
Inventor: HARTLEY KENNETH ALISON
IPC: D01D10/04
Filed: 1953-10-02
Abstract: <PICT:0762959/IV(a)/1> <PICT:0762959/IV(a)/2> After treatment of freshly spun regenerated cellulose threads is effected with one or more high velocity jets of liquid or gas directed transversely to the moving thread whilst the thread is moved through the air and held freely in the path of the jet, so that the liquid or gas is forced between and into contact with individual filaments.  Liquids may be used for chemical treatment or washing, and air for removing excess liquid or for drying. Fig. 1 shows a jet 1 with nozzle 2 for applying fluid to the moving thread 4 supported in V-shaped slits in guides 5, 6.  The treating fluid may be allowed to escape or it may be retained in trough 10 and allowed to overflow through the V-shaped slots. Operating conditions are preferably chosen so that the filaments constituting the thread separate and vibrate under the action of the jet, e.g. for threads of denier 150-2200 the fluid is projected at 5-40 lb. per sq. in. through nozzles having an orifice of 0.02-0.1 in.  Threads may be treated whilst travelling horizontally or vertically and individually or in warp form. Also, instead of being treated whilst travelling between two guides, jets may be directed against the thread as it passes over one of a pair of guides, or as it passes over or in the vicinity of a single guide.  As shown in Fig. 3, viscose is extruded into a coagulating bath 31 and between godet 33 and roller 34 is subjected successively to the action of jets from nozzles 35-44 with air for removing excess coagulating liquid, dilute acid, water, a desulphurizing liquid, water, bleach, dilute acid, water, a textile finish and air, the threads finally passing through a drying chamber 45.  Specification 583,292 is referred to.
Patent GB-444489-A (GB)
Title: Improved electrode holder for use in arc welding
IPC: B23K9/28
Filed: 1934-09-20
Abstract: 444,489. Hand holders for short-arc welding electrodes. CLARKE, E. J., 53, Squires Lane, Finchley, and MUREX WELDING PROCESSES, Ltd., Ferry Lane Works, Forest Road, Walthamstow, both in London. Sept. 20, 1934, No. 27047. [Class 39 (iii)] In an electrode holder for arc welding, the insulated cable 2 passes through an insulating handle 1 and the bare end is gripped by a split bush 3, as described in Specification 427,184, resting in a metal insert 4. The holder 6 is provided with a thrust collar 7 and extends into a sleeve 11 which is bored transversely at 14 tc receive the electrode The latter is tightly gripped by turning the nut 9 by means. of a guard ring 10 In an alternative form, the holder 6 and sleeve 11 are provided with mush room heads between which the electrode is gripped.
Patent GB-1394199-A (GB)
Title: Annealing furnace and method for its operation
IPC: C21D1/42
Filed: 1972-09-15
Abstract: 1394199 Heat treating metal strip ALLEGHENY LUDLUM INDUSTRIES Inc 15 Sept 1972 [17 Sept 1971] 27140/74 Divided out of 1394197 Heading F4B [Also in Division C7] The subject-matter of this Specification is substantially the same as that disclosed in Specification 1,394,197, but the claims are concerned with a method for heat treating strip material in coil form which comprises moving said coil through successive heating and cooling zones of a furnace while circulating through the furnace a non-oxidizing gas, said coil being initially heated in an evacuated chamber prior to its passage through said furnace containing the non-oxidizing atmosphere to remove from the surfaces of said coil any water vapour.