baber/WOPTO huggingface dataset:
Patent GB-921367-A (GB)
Title: Semiconductor device and method of manufacture
IPC: H01L23/31
Filed: 1960-04-01
Abstract: 921,367. Semi-conductor devices. STANDARD TELEPHONES & CABLES Ltd. April 1, 1960 [April 6, 1959], No. 11591/60. Class 37. A semi-conductor device having a PN or PIN junction has a sloping surface across the junction. Fig. 1 shows a semi-conductor device, which may be an alloyed or diffused junction type PN rectifier. The rectifier 8 has a sloping surface across the face 5 although only the region of the junction may be sloped. This bevelled edge may be produced by ultrasonic techniques or by saw cutting. The bevelled edge is etched to remove surface contaminants, is heated in a vacuum chamber to remove gaseous impurities and is finally coated with a non-porous layer 11 on the sloping surface. The Figure shows the process being carried out. Filament 12 of tungsten is coated with the material to be deposited on the sloping surface when the filament is heated. The coating material is a glass and may be of material taken from quartz, magnesium fluoride, silica and zirconium silicoted. Organic materials such as polystyrene and silicone polymers can be used. An arrangement is described (Fig. 3, not shown) in which a PIN diffused junction silicon rectifier the slope of the face of which to the horizontal is between one and five degrees. The Specification also refers to bevelling the junction area of transistors and to using germanium instea odf silicon.
Patent GB-598375-A (GB)
Title: Improvements in means for conveying electromagnetic energy
IPC: H01P1/06
Filed: 1945-05-07
Abstract: 598,375. Wave-guides. GARFITT, R. G. May 7, 1945, No. 11662. [Class 40 (v)] A feeder for conveying electromagnetic energy at ultra-high frequencies comprises two coaxial conductors which are connected together along one or more lengths by a conductive septum, each connected portion acting as a septate waveguide, and the remaining portions acting as sections of a normal co-axial transmission. line. In Fig. 1 a feeder 3 interconnecting waveguides 1, 2, comprises an inner conductor 5 supported from the outer conductor by a conducting septum 7 having an axial length of about one wavelength, and having its ends at least a quarter wavelength from the junctions with waveguides 2, 3. The section including the septum 7 acts as a rectangular guide which has been bent round until its two narrow sides coincide in the septum 7. The ends 6 of the inner conductor extend into guides 2, 3 as energy exchanging probes, the guide walls being bulged as at 9 to reduce sparking. The outer conductor is divided transversely at 8 to allow of relative rotation between guides 1, 2, the joint at 8 comprising overlapping quarter-wave flanges to reduce leakage. Alternatively the joint may be formed between one end of feeder 3 and the adjoining waveguide, Fig. 4 (not shown). In Fig. 5, the feeder is bent to allow the guides 1 and 2 to move in non-parallel planes. The bend is confined to the middle portion 3<11>, which contains the waveguide septum 7. The end sections 31, 3<111> are straight and are fixed to the waveguides 1, 2.
Patent GB-201234-A (GB)
Title: A method of manufacturing photographic multicolour screens
IPC: G03C7/10
Filed: 1922-04-26
Abstract: 201,234. May, F. W. April 26, 1922. Colour photography, screens for.-In a process for producing multi-colour screens, in which a transparent sheet is covered with resist lines of fatty ink and the interspaces are dyed, the ink is applied and ruled in a hot state, and is hardened by refrigeration. A layer of gelatine on a transparent support such as celluloid is covered with warm printing-ink, which is removed in lines bv pressure of a hatched plate. The remaining ink is hardened in a chamber at a temperature of about -18‹ or -20‹ C., and the plate is immersed in a red-dye, bath such as vermilion. The dye is fixed along the unprotected lines by means of formaldehyde, ferric chloride or aluminium acetate. The precipitate is washed off, and the printing-ink is removed with benzine. The process is then repeated for the blue colour, the printing-ink being removed in this case along lines at right-angles to the first set, and the dye used being, for example, methylene blue. Finally the remaining uncoloured portions of the plate are coloured green, as with a mixture, of patent blue and yellow, which is fixed as before. The resulting plate may be coated with a sensitive bromide of silver emulsion.
Patent GB-1164335-A (GB)
Title: A Coupling for Multiple Fluid Conduits.
IPC: F16L39/00
Filed: 1967-03-13
Abstract: 1,164,335. Pipe couplings. SOC. ANON. ANDRE CITROEN. 13 March, 1967 [24 March, 1966; 16 Feb., 1967], No. 11752/67. Heading F2G. A coupling for joining together and assembling bundles of fluid conveying tubes comprises in combination two end pieces 1, 2 fixable to the tubes 10 . . . 13 and a gasket 3 having holes 16 therein corresponding to the orifices in the end pieces, the gasket and end pieces being located relative to each other during coupling so that these parts co-operate in only one predetermined angular position. The locating means may comprise a tongue 3f on the gasket disposed between projections on the faces of the members or pins located in offset holes in the parts. Sealing lips 16a, 18 are provided around the peripheries of the holes 16 and around the gasket periphery on each face thereof. Screwed members 4, 5 clamp the members 1, 2 together.
Patent GB-238288-A (GB)
Title: Improvements in and relating to ink bottles and the like
IPC: B43L25/06
Filed: 1924-05-12
Abstract: 238,288. Dunkerley, G. and Mabie, Todd, & Co., Ltd. May 12, 1924. Inkstands; fountain-pen fillers.-An ink bottle or like container comprises a chamber A, Fig. 1, disposed above the body part C<1> of the bottle and below its neck or outlet C, and a trap, such as a perforated plug B separating the chamber from the body part, which allows ink to pass into the chamber A when the bottle is inverted and shaken, the perforations being of such a size that, when the bottle, is turned upright, the major portion of the ink in the chamber will remain there for a time sufficient, for instance, to fill a self-filling fountain pen from it. The perforations may be replaced by serrations or vertical grooves at the edge of the plug end a constriction in the neck or a recess in it may retain the plug in position. In modifications, the chamber comprises a rubber tube secured on the outlet of the bottle, or the chamber A, Fig. 5, is formed in part by the bottle neck and in part by a rubber tubular member C. As shown in Fig. 6, the chamber A is separate from the bottle, its narrow opening B<1> being formed by a tube which is inserted in the bottle stopper D.
Patent GB-1172308-A (GB)
Title: Improvements in or relating to Commutators
IPC: H02K13/00
Filed: 1967-03-13
Abstract: 1,172,308. Making commutators. FEDERAL MOTOR PARTS CORP. (PROPRIATARY) Ltd. 13 March, 1967 [22 March, 1966], No. 11767/67. Heading B3A. [Also in Division H2] A commutator has a hub member comprising a plurality of peripherally slotted cylindrical members 10 of insulating material, e.g. glass fibre in nylon, which are assembled together and force fitted on sleeve 13 on shaft 25. Longitudinally extending bars 11 are slid into the slots in members 10 and secured by deforming one end. The overlap portion of bars 11 is undercut at 23 and flared outwardly to cooperate with insulating ring 27 fitted on sleeve 28 on shaft 25, and form apertures for receiving the armature winding ends 24. This connection is secured by sliding ring 21, which has a reinforcing steel ring 14, axially along the commutator and forcing it over the flared ends so that the winding ends are gripped. In a modification axial grooves are cut in the conductor bars to locate the winding ends which are then gripped by the ring. A soldered connection may also be made. Axial 18 and radial 19 ducts may be formed in members 10 for cooling the commutator.
Patent GB-856065-A (GB)
Title: Improvements relating to weight counter-balancing apparatus
Inventor: MCKELLIGET WALTER JOHN
IPC: F16F15/28
Filed: 1958-04-14
Abstract: 856,065. Stands. METROPOLITAN-VICKERS ELECTRICAL CO. Ltd. June 9, 1959 [April 14, 1958], No. 11816/58. Class 52(3) A stand for adjusting a massive container 3 for radio-active material in relation to a table &c. supporting a patient consists of a rotary annulus 2 in a frame 1, the annulus supporting, on a transverse pivot 11, a lever having at one end a yoke 6 for the container 3 and at the other end drag links 19, 21'which, through additional links 22, 27, 23, 26 are coupled to counterweights 5, 4 sliding on curved tracks 51, 31 mounted on the annulus.
Patent GB-330695-A (GB)
Title: Improvements in ground sheets, luggage covers and the like
IPC: B60P7/04
Filed: 1929-04-17
Abstract: 330,695. Smith, W. B. April 17, 1929. Ground - sheets. - A cover for luggage, adapted to serve also as a ground-sheet, consists of a length of leather, fabric, or waterproof material formed with one or more series of eyeletted openings c, Fig. 2, through which the tab ends d<2> of straps d can be engaged to maintain the sheet folded when it is desired to reduce the length, as shown in Fig. 3. The shoulders of the tabs d<2> are reinforced by being edged with metal. The long edges of the sheet are eyeletted at a' to take lacing cords and loops f for encircling straps are provided.
Patent GB-1081303-A (GB)
Title: Improvements in or relating to liquid dispensing apparatus
IPC: B67D7/76
Filed: 1965-03-19
Abstract: 1,081,303. Delivering measured quantities of liquid. L. C. SNELLING. March 18, 1966 [March 19, 1965], No. 11859/65. Heading B8N. A liquid dispensing apparatus comprises a reservoir 22, a measuring chamber 23 which is disposed below the level of a gas space 50 in the reservoir, a normally closed outlet valve 39 in the outlet passage 18 from the measuring chamber, a normally open port valve 25 for closing the port 16 between the measuring chamber and reservoir and a gas passage 73, 68 for joining the gas space with the measuring chamber when the port valve closes. For dispensing beer, two measuring chambers 23 are provided on the one reservoir, each being fitted with a transparent dome 17. The valves on each measuring chamber are operated by a cam 43 which is moved about a vertically-movable pivot 43a by a handle 47. With the handle in the upright position, beer enters the reservoir under gas pressure through an inlet pipe 48 from a bulk supply, the gas escaping from the reservoir during this period via a needle valve 63 controlled by a knurled knob 65, tube 68, passages 73, 18 and outlet valve 39. When a pre-determined amount of beer has entered the reservoir, a float 58 lifts a valve seat 57 and allows gas under pressure to enter the space 50 from a pipe 49 which is connected to the pressurized gas of the bulk supply. Since the chamber 23 is connected to the space 50 and the port valve 25 is in balance, a compression spring 35 acts to open the valve and allow beer to enter the chamber. The reservoir is replenished with beer through the inlet pipe 48 at the same time. To dispense the beer in the chamber 23, the handle 47 is pivoted downwardly to first close the port valve 25 and then lift the outlet valve 3. During dispensing, gas from the space 50 enters the chamber 23 to replace the beer. The speed of dispensing may be regulated by adjusting the needle valve 63. When the liquid measure has been dispensed, gas escapes through the valve 39 and the operator returns the handle to close the valve 39 and re-open the port valve 25. Both measuring chambers may be emptied simultaneously or alternately and both outlets 38 may be pivoted into the same glass. For cleaning purposes, the handle may be moved to a position in which both the valves 25 and 39 are open; a needle valve 54 serves to open a by-pass 53 to allow the gas from the inlet pipe 49 to clear both the reservoir and measuring chambers and return the beer in the apparatus to the bulk storage. The apparatus and a drip tray 75 may be attached to a bar counter 77.
Patent GB-831475-A (GB)
Title: Improvements in or relating to boxes or containers
Inventor: HUMPHREY LESLIE FRANK
IPC: B65D85/50
Filed: 1957-04-11
Abstract: 831,475. Cartons. REED CORRUGATED CASES Ltd. April 3, 1958 [April 11, 1957], No. 11901/57. Class 18. A box for cut flowers has a lid 1 integral with its rear wall 2 and a pair of separate supporting members 6 folded from blanks and each having a series of keyhole slots 10 cut therein which support transverse tubes or rods 15 on which rest the blooms. Pairs of opposed straps 12 formed by parallel cuts in the side walls and bottom locate the members 6 and a paper strap 16 retains the stems.
Patent GB-309955-A (GB)
Title: Improvements in and relating to electric transformers
IPC: H01F27/32
Filed: 1929-04-17
Abstract: 309,955. British Thomson-Houston Co., Ltd., (Assignees of Palueff, K. K.). April 18, 1928, [Convention date]. Transformers.-In transformers in which the high voltage winding 11 is separated from the low winding 12 by insulating material having different specific inductive capacities, e.g. a solid insulating cylinder 15 adjacent the high voltage winding, and an air or oil duct 16 for cooling purposes adjacent the low voltage winding, the potential gradient is distributed between the two materials in proportions suited to their dielectric strengths by embedding in the cylinder 15 a conducting member 18 maintained at a low potential e.g. by'connection to the core as at 19. Thus a reduction in the thickness of the cylinder 15 which decreases the leakage and lowers the reactance of the transformer is rendered possible. A construction suitable for transformers having the low voltage windings in sections between which the high voltage winding is interleaved, and comprising discs of solid insulation with conducting discs embedded therein is also described.
Patent GB-817196-A (GB)
Title: Improvements in or relating to electric secondary batteries
Inventor: SZPER JONAS ABRAHAM
IPC: H01M50/528
Filed: 1957-04-12
Abstract: 817,196. Batteries. VARLEY DRY ACCUMULATORS Ltd. March 21, 1958 [April 12, 1957; Feb. 26, 1958], Nos. 12082/57 and 6304/58. Class 53. The plate lugs 16, 17 of an accumulator pass through slots in the base of a trough 19 cemented to the walls of the container which may be divided into two cells by a partition 11 as shown in Fig. 3. The lugs are connected by a conductor 24 and the trough is then filled with an epoxy or other thermosetting resin, and closed by a cover 25. Two separate troughs are used to receive the lugs of the positive and negative plates of the end cell from which the terminals project. The COD- tainer has a vented lid 26, and the troughs may be moulded in one piece with the lid as shown in Fig. 4. Fig. 6 shows a modificaton in which the container is inverted before the plates and separators are inserted through the open bottom. The plate lugs 16, 17 are connected by a conductor 24 and a thermosetting resin poured in to embed the lugs and conductor and to form the bottom of the container. Terminal wires 56 may be embedded in the walls of the container and connected to terminals 57. When the container is again inverted to occupy its normal position a gas space 43 is left at the top, and filling openings 44 and gas vents 48 communicating with a gas chamber 50 are provided on the under surface of the cover 37. The gases may be led from the chamber 50 to an exhaust pipe.
Patent GB-1069105-A (GB)
Title: A burner manoeuvering device
IPC: F27D99/00
Filed: 1966-03-21
Abstract: 1,069,105. Burner mounting. SOC. ANON. COCKERILL-OUGREE March 21, 1966 [March 19, 1965], No. 12274/66. Heading F4T. A mounting for a burner 1 comprises a cradle 21 supported between end rings 15 of a tubular support 16 concentric with the cradle, the end rings 15 being free to rotate within rings 11 of a stand, said rings 11 having a circular groove 31 in which are equally spaced three ball bearings 13 carried by bolts 12. The annular space between cradle 21 and support 16 is sealed by seals 14 and 9 and the cradle 21 is able to slide along the burner axis 61 by applying compressed air to either side of a piston 36 through holes 38 or 39. The piston comprises metal rings 19 retaining piston rings 20 and is mounted on the cradle 21 between rests 18 threaded on to the cradle. Movement of the piston is limited by shoulders 41 of sleeves 42 forming part of rings 15, the sleeves 42 when engaged by sealing rings 17 mounted on nuts 18 causing trapped air to escape through fine ducts 43 thus braking the piston. The cradle 21 at its end adjacent the burner nozzle has mounted on it a ring 22 supported by two screws 26, Fig. 2 (not shown) which extend through the cradle and contact the burner and a third spring-loaded screw 23. At the opposite end of the cradle there is mounted a ring 8 held in place by three screws 49, and provided with a ring 2 with three cam surfaces 55, Fig. 3 (not shown), for moving pins 5 against the burner which allows rotational movement imparted to cylinder 21 and ring 2 to be communicated to the burner 1. The cylinder 21 is rotated by a segment 28 driven reversably by a pinion 29. The segment is welded at 62 to the cradle support 16 and a rod 27 mounted on cradle end rings 22 and 8 passes through the segment.
Patent GB-798427-A (GB)
Title: An apparatus for the discharge of condensation water
IPC: G05D23/08
Filed: 1956-04-23
Abstract: 798,427. Steam traps. DOMNICK, L. April 23, 1956 [April 23, 1955; Dec. 17, 1955], No. 12284/56. Class 64(2) [Also in Group XXIX] An apparatus for the discharge of condensation water comprises a thermally actuated valve in which two or more bimetallic discs or groups of bimetallic discs are loosely mounted on a valve spindle or on a rod connected to the valve spindle in such a manner that the adjacent discs or groups of discs bulge or curve outwardly in opposite directions upon increase in temperature, causing movement of the valve spindle towards the valve closing position. The valve body 1 has an inlet passage 2 and an outlet passage 3. A valve seat member 5 is screwed into an internally threaded portion of the body close to the outlet 3 and has an inner passage 9 through which a valve rod 7 passes, the rod having a spherical closure member 10, which co-operates with a valve seat 5a. The bimetallic discs 15 are loosely mounted on the rod 7 between nuts 14 and a plate 13 which has a sleeve 32 in threaded engagement with the valve seat member 5. Linear adjustment of the bimetallic column is provided by screwing the plate 13 in or out of the valve seat member by means of 3 equally spaced rods 20, which engage at one end in slots 16 in the periphery of the plate 13 and at the other end are attached to a spindle 19. The entire bimetallic column and valve can be withdrawn as a single structural unit by removing the cover 4 and unscrewing the valve seat member 5 by means of the hexagonal flange 11 in another embodiment the bimetallic discs are grouped, each group consisting of 3 discs of different diameter and arranged in such manner that when heated will curve in the same direction. In this embodiment linear adjustment of the column is provided by means of a cagelike structure surrounding the column and moved axially by rotation of a bolt engaging in the end of the structure.
Patent GB-349729-A (GB)
Title: An improved oil extractor and filter
IPC: B01D46/24
Filed: 1930-04-22
Abstract: 349,729. Separating liquid particles from air &c. TAYLOR, W. H. and SHAW, C., 121, Devonshire Street, Sheffield. April 22, 1930, No. 12292. [Class 123 (iii).] Apparatus for removing oil &c. from air or gas comprises an extractor drum 3 and filter 19, arranged coaxially within a casing 1. The drum 3 comprises a number of concentric cylindrical walls with openings 8, 10, for passage of air, and rows of baffles 9 formed on the outer wall in staggered formation. The filter consists of layers of felt carried by wire mesh cylinders secured at their upper ends to a ring 20 and closed at the lower end by a disc 21. A cover 23 presses on the filter handle 22 and retains the filter on its seating 16. Air entering at 2 follows a tortuous course through the drum 3 and impurities deposited thereon drain into a collector 11.
Patent GB-1489999-A (GB)
Title: Methods of ultrasonic testing
IPC: G01N29/04
Filed: 1975-03-25
Abstract: 1489999 Ultrasonic inspection KRAUTKRAMER GmbH 25 March 1975 [17 May 1974] 12317/75 Heading G1G High-speed scanning of thick-walled test objects is effected by energizing several ultrasonic probes in sequence, the interval between transmitted pulses being less than the pulse travel time to and from a depth range of interest. To prevent transmitter breakthrough from being interpreted incorrectly as a flaw-echo or coupling-test signal, transmission is inhibited within a receiver time gate corresponding to the depth range of interest. In Fig. 3, master timing pulses define the normal pulse transmission rate at a repetition period f, and receiver gates T are established. Where a timing pulse coincides with a gate T the transmission trigger pulse a is inhibited (e.g. at a 1). The transmitter trigger pulses clock a shift register which controls the cyclic selection of the probes for transmission. A digital method is used to time the echo pulses and to establish the gates T. Flaw echoes are usually received by a probe other than the one selected for transmission.
Patent GB-1294671-A (GB)
Title: Improvements in and relating to continuous production of panel radiators
Inventor: PALLEMAERTS ROGER CONWAY EDMUN
IPC: B21D53/04
Filed: 1969-03-08
Abstract: 1294671 Making panel radiators MYSON HEATING PRODUCTS Ltd 6 March 1970 [8 March 1969] 12327/69 Heading B3A A method for the continuous production of panel radiators 10 wherein two metal sheets 12 and 14 in juxtaposition are pressed to form complementarily-shaped, continuous length, panel wall sections having manifolds 16 and interconnecting ducts 18, the sheets being intermittently subjected to a further pressing action to collapse and/or reduce the manifolds at selected points between successive ducts prior to securing the sheets together, and thereafter severing them at said selected points into separate panels. In one embodiment (see Fig. 1) the manifold on the front face has been merged into the normal plane of the original flat sheets by means of a sloping wall 22 while the crosssectional area of the manifold on the rear face has been reduced by a sloping wall 24 and, after a parallel flat wall section, has been further reduced by a similar sloping wall 26. The flat wall section constitutes a land which can accommodate the flange of a union 28 inserted in a hole formed in the manifold simultaneously with the reduction and/or collapse.
Patent GB-167280-A (GB)
Title: Improvements in glass vessels containing a wire adapted to be heated to incandescence
IPC: H01J5/30
Filed: 1920-05-04
Abstract: 167,280. South Metropolitan Gas Co., and Somerville, J. M. May 4, 1920. Eudiometers. - To avoid cracking in the case of glass vessels containing electricallyheated wires, the conducting wires thereto are sealed into cavities in the walls of the vessel, these cavities being filled with liquid or solid, e.g. mercury or a metal of suitable melting-point, and so shaped that the wire touches the glass at no point other than the seal. In the case of a gas-pipette a containing an electric coil d, the leading-in wires f pass through cavities e so arranged that as the mercury or other liquid is allowed to leave the vessel for the purpose of drawing in the gas, some of the liquid is retained in the cavities. Specification 105,929, [Class 39 (ii), Electric lamps, Incandescent], is referred to.