baber/WOPTO huggingface dataset:
Patent GB-1043719-A (GB)
Title: Fabrication of microcircuits
IPC: H01L27/06
Filed: 1963-11-25
Abstract: 1,043,719. Integrated circuits. CLEVITE CORPORATION. Nov. 25, 1963 [Nov. 30, 1962], No. 46418/63. Heading H1K. An integrated circuit is made by forming spaced first regions of high conductivity in one face of a semi-conductor wafer of the opposite conductivity type, epitaxially depositing a layer of the same conductivity type as said regions to cover the entire face of the wafer, and diffusing impurity material characteristic of the opposite conductivity type through the epitaxial layer to provide mutually isolated sections of the layer overlying the first regions. At some stage in the process, gold is diffused into the semiconductor to modify its life-time characteristics. Part of such a circuit is shown in Fig. 9, where the isolated section 13 constitutes the collector region of a transistor, the base and emitter zones of which are formed by planar diffusion techniques. The series resistance of the collector may be reduced by forming a heavily doped contact zone 14 in the emitter diffusion step which may, if desired, extend through to the heavily doped first region 12. To form a diode only a single diffusion step is required. Electrodes 25-27 which extend over the oxide masking layer 19 are formed by evaporation. An encapsulated circuit comprising a transistor, nine diodes and two resistors is also described (Fig. 11, not shown).
Patent GB-1321874-A (GB)
Title: Scouring compositions
IPC: C11D3/14
Filed: 1970-09-30
Abstract: 1321874 Scouring powder HENKEL & CIE GmbH 30 Sept 1970 [1 Oct 1969] 46459/70 Headings C4V and C5D A scouring powder comprises a major amount of a water-insoluble compound having a mechanical cleaning action and a minor amount of a water-soluble component including a percompound and an organic activator. The organic activator may be an N-acyl or O-acyl compound or a carbonic acid or pyrocarbonic acid ester. The composition may also include a builder, a surface active agent, an organic complexing agent, dirt carriers, antimicrobial substances, skin protecting substances, superfatting substances, corrosion inhibitors, enzymes, dyes and/or perfumes. In examples the following ingredients are specified: mechanical cleaners: quartz flour, marble dust, or pumice flour; per-compounds: sodium perborate; activators: tetra-acetyl methylene diamine, 1 ,3-diethoxycarbonyl hydantoin, 1,3-di-propionyl hydantoin, benzoic anhydride, triacetyl cyanuric acid, N-acetyl maleic hydrazide, 1,4-diformyl- 2,3,5,6 - tetra - acetoxy - piperazine and glucose penta-acetate; builders: pyrophosphate, borax, orthophosphate, bicarbonate, soda, triphosphate and sodium sulphate; and surface active agents: an alkylbenzene sulphonate salt of an alkylbenzene sulphonic acid in which the alkyl group is a C 10 _ 15  group derived by condensing linear olefins with benzene and sulphonating the product, oleic alcohol condensed with 10 moles of ethylene oxide, sulphated coconut oil, a fatty alcohol sulphate produced by adding 2 moles of ethylene oxide to a fatty alcohol and sulphating the product, coconut fatty acid diethanolamide, C 12 _ 18  fatty acid soap, C 12 _ 16  alkane sulphonate, triethenoxylated nonylphenol sulphate and an olefin sulphonate prepared by sulphonation with SO 3  of a mixture of C 12 _ 18  linear terminal olefins and non-terminal olefins.
Patent GB-1185899-A (GB)
Title: Improvements in or relating to the production of Porcelain Ceramic Articles
Inventor: CHEESEBOROUGH CHARLES ALFRED
IPC: A61C5/77
Filed: 1967-10-11
Abstract: 1,185,899. Moulding plastic substances. C. A. CHEESEBOROUGH. 11 Oct., 1968 [11 Oct., 1967], No. 46506/67. Heading B5A. [Also in Division C7] A method of removing a platinum foil matrix from a porcelain ceramic article formed thereon, e.g. a crown for a tooth, after the article has been fired, consists in forming bubbles of gas between the matrix and the adjacent surface of the article in order to reduce the adhesion therebetween and thereby facilitate the removal of the matrix. The bubbles may be formed by submitting the article to a process of electrolysis in which it forms an anode or cathode in an electrolytic solution e.g. of sodium chloride, and current is caused to flow between it and a cathode or anode. The latter may be of platinum.
Patent GB-1331467-A (GB)
Title: Water flow silencing means
IPC: F16L55/033
Filed: 1970-09-30
Abstract: 1331467 Supply fittings for cisterns G H CLARIDGE 30 Sept 1970 [30 Sept 1969 6 Feb 1970] 46577/70 Heading E1C [Also in Divisions F2 and G3] A silencer which is designed to be incorporated in the water supply leading to a cistern or at the outlet of a domestic water tap, comprises a plastics material conduit 2 having an inlet end 3, an intermediate externally screwthreaded portion 5 and an outlet end 6. Disposed about the outlet are a cap member 7 and a skirt member 14, both members being of plastics material and being secured to the conduit 2. The cap member has an integral projection 10 upon which there is disposed a rubber disc 11, the relative positioning of the cap 7 and conduit 2 being such that the disc tends to engage the outlet end 6. Accordingly, water flowing into conduit 2 has to deflect disc 11 and then pass through cap apertures 13 prior to entering the silencer outlet constituted by the skirt member 14. The formation of a chamber 9 between conduit 2 and cap 7 and the nature of the disc member 11 are said to create a back pressure, within conduit 2 and hence a reduction in noise generated by the flow of liquid. Furthermore the resistance of member 11 to moving away from conduit end 6 is said to determine the degree of back pressure prevailing in the silencer. The disc 11 may have a concave underside. The conduit 2 includes a check-valve member 18.
Patent GB-1414498-A (GB)
Title: Dispersion type electroluminescent elements
IPC: H05B33/14
Filed: 1972-10-10
Abstract: 1414498 Uses of electroluminescence; liquid crystal compositions ISE ELECTRONICS CORP 10 Oct 1972 [11 Oct 1971] 46603/72 Headings C4S and C4X An e.1. element comprises a mixture of 100 parts by weight of e.1. phosphor, 30 to 50 parts of a liquid crystal and 10 to 40 parts of an inorganic filler. The liquid crystal is MBBA, EBBA or a mixture thereof. Inorganic fillers referred to include ferroelectric Rochelle salt, K phosphate hydroxide, Ba and Pb titanate.
Patent GB-1318755-A (GB)
Title: Treads pneumatic tyres and a method of tyre performance
IPC: B60C11/18
Filed: 1970-10-01
Abstract: 1318755 Tyre treads GOODYEAR TIRE & RUBBER CO 1 Oct 1970 [24 Oct 1969] 46687/70 Heading B7C A pneumatic tyre tread comprises two radially superposed vulcanized layers, i.e. a radially outermost positioned cap 11 and an underlying base 12, with either of the layers composed of 80 to 100 parts by weight of a copolymer of 1,3-butadiene and styrene and correspondingly 0-20 parts of another conventional elastomeric treadstock, and the other of the layers composed of 50 to 100 parts by weight of natural rubber or synthetic cis-1,4-polyisoprene having in excess of 80% of its polymerized units in a cis-1,4 configuration and correspondingly from 0 to 50 parts of another conventional elastomeric treadstock, with the radial depth of the cap being between 30 and 70% the depth of the cap and base which can be between 1À2 and 1/7 inches measured at the midcircumferential plane. The layers may be formed together from a common extruder head or be formed separately and adhered together. In another embodiment (Fig. 2, not shown) the cap 11 extends radially part way up the sidewalls 13 covering all of the base 12. In a method of use, the tyres are fitted to the front axle of a bus and when more than half the tread thickness of the cap has worn away the tyres are transferred to the rear axle, subsequent to regrooving if desired.
Patent GB-1142269-A (GB)
Title: Apparatus for transporting vehicles
IPC: B66C1/20
Filed: 1967-10-13
Abstract: 1,142,269. Devices for towing vehicles. H. B. JAMES. 13 Oct., 1967, No. 46783/67. Heading B8H. A fork-lift truck attachment, Fig. 6, for towing vehicles comprises a transverse bar 68, with holes 66 for receiving the vehicle front wheels, pivoted to a hollow member 62 into which the forks of the lift truck are inserted. The front wheels are raised from the ground and the vehicle is towed on its rear wheels. The Specification also describes a vehicle lifting cradle, Fig. 1, with ramps 32 up which the vehicle is pushed. Adjustable wheel locating recesses 14 are provided. These have a platform which descends on to stops when the cradle is raised by slings attached to points 36, 37.
Patent GB-1531939-A (GB)
Title: Method and apparatus for controlled dewaterizing of coal treatment underflow
IPC: B01D21/00
Filed: 1976-11-10
Abstract: 1531939 Control of flocculation process AMERICAN MINECHEM CORP 10 Nov 1976 [10 Nov 1975] 46789/76 Heading C1C In a process for dewatering an aqueous slurry of fine solid particles comprising adding a flocculant to the slurry and charging the resulting mixture to a thickener to settle flocculated solids from the mixture and separate water, a radiation beam is impinged on the flocculated solids transverse the direction of travel of the solids adjacent solids discharge means from the thickener, the impinged radiation is detected to measure the density of the flocculated solids and produce an electrical signal proportional thereto, and the electrical signal is used to automatically control and regulate the rate of discharge of the flocculated solids from the thickener. The radiation used is preferably gamma radiation.
Patent GB-1059006-A (GB)
Title: Pressure vessel closure
IPC: F16J13/08
Filed: 1965-11-04
Abstract: 1,059,006. Pressure doors. GRAY TOOL CO. Nov. 4, 1965 [Nov. 27, 1964], No. 46834/65. Heading F2P. An apparatus for receiving pressure fluids has a pressure chamber 12 with a mouth closed by an element 36 abutting on a seating 22 in the chamber with sealing means 48 co-operating at 52 with a seating 20, a wedge 66 with a surface 76 movable to and from contact with a wedging surface 32 in a peripheral groove 26 around the wall 28 of the chamber outside the closing element and a cam device 84 mounted on the element 36 and having a camming surface 98 which moves the surface 72 into contact with the surface 32 and a camming surface 102 which removes it therefrom. The seal 48 is of metal, welded on to the plug portion 38 of the element 36 and the angle that the outside of its lip 52 makes with the axis of the chamber opening is 2 degrees less than that made by the conical seating 20 so that when the element is pushed into the opening until the plug seats on a chamber surface at 22, the seating 20 deforms the lip 52 elastically to form a seal. The ring,of wedges 66 around the tail 40 of the element 36 are held together by an endless spring 82 and the contacting surfaces 32 and 76 are driven together by tightening eight screwed studs 108 which draw the conical surface 98 of the cam 84 against the conical surfaces 70 of the wedges. To remove the wedges the cam is first withdrawn by the jack-screw 110, the cam is then inverted with the conical surface 102 against the cam surfaces 72 (Fig. 3, not shown) and the screws, which have been reversed in the cam, tightened to draw the wedges from under the surface 32.
Patent GB-1123828-A (GB)
Title: Improvements in or relating to electrometer amplifiers
Inventor: OWENS ALWYN ROBERTS
IPC: G01R1/30
Filed: 1965-11-04
Abstract: 1,123,828. Transistor amplifiers. UNITED KINGDOM ATOMIC ENERGY AUTHORITY. 18 Oct., 1966 [4 Nov., 1965], No. 46850/65. Heading H3T. An electrometer amplifier comprises a wide band width direct coupled amplifier 8 using an insulated gate field effect transistor 1 in its input stage and a drift free amplifier 7 receiving the same input and delivering an output to the substrate of the field effect transistor 1. The amplifier 7 can be of the chopper type using an insulated gate field effect transistor as its input modulator stage and provides amplification of the low frequency components of the input signal and is drift free. The transistor 1 provides amplification for the higher frequency components of the input signal over a wide frequency range at the expense of some drift and its output is combined with the output from the amplifier 7 in the load resistor 6 before further amplification in stage 8 to an output 9. The amplifier may be provided with negative feedback by means of a resistor 10 and a filter may be connected in the input to the input stage of the direct coupled amplifier to flatten the overall response curve at lower frequencies.
Patent GB-1482338-A (GB)
Title: Electric pressing iron
Inventor: AUGUSTINE ROBERT JOHN
IPC: D06F75/14
Filed: 1975-11-18
Abstract: 1482338 Steam-and-spray irons SUNBEAM CORP 18 Nov 1975 [29 Nov 1974] 47478/75 Heading D1A A steam and spray iron includes a transparent or translucent dome 55 Fig. 3 to indicate water level in the reservoir, illuminated by a bulb 70 which serves also to indicate that the iron is switched on. The bulb is a neon secured by heat-proof adhesive tape 71 under the handle, and wired in parallel with the heater element.
Patent GB-1145388-A (GB)
Title: Improved method and apparatus for computing costs
IPC: B67D7/22
Filed: 1966-10-24
Abstract: 1,145,388. Sterling to decimal conversion. B. HUNT. 24 Oct., 1966 [25 Oct., 1965], No. 47513/66. Heading G4D. A liquid-dispensing apparatus operating in the sterling system is modified to operate in decimal currency. The normal stepped gear cone 26 having eleven gear rings 28 is unchanged as are the normal shillings and pence take-off mechanisms, except that the latter is slightly enlarged and limited to nine positions instead of eleven and these mechanisms correspond to tens and units of cents. The half-penny takeoff mechanism on spindle 34, however, is now called a tenth of a cent mechanism and is proportionately increased in size. Further it has to be driven by any one of nine gear rings 28, the lowest of which does not leave sufficient space in the existing casing. This difficulty is overcome by using an idler gear 64 of double thickness or an integral pair of gears (Fig. 5, not shown).
Patent GB-1492955-A (GB)
Title: Method of forming a negative resist using an epoxy compound and a polymer
IPC: G03F7/038
Filed: 1974-11-04
Abstract: 1492955 Processes for producing negative resists TEXAS INSTRUMENTS Inc 4 Nov 1974 [5 Nov 1973] 47653/74 Heading G2C A process for producing a negative resist which comprises image-wise exposing to electron beams or x-rays a material comprising a support coated with a layer of an electron sensitive polymer and an epoxy compound which do not react on mixing but react on exposure in the absence of another reactant to become cross-linked and removing the unexposed areas with a solvent. Specified polymers are polystyrene, styrene/butadience copolymer and polydimethylsiloxane and the specified epoxy compound is of Formula:- The resist may be further hardened by heating to between 80 and 180C for 30 minutes.
Patent GB-957280-A (GB)
Title: Laundry bag
IPC: B65D33/00
Filed: 1962-12-19
Abstract: An adhesive insoluble in cold water but soluble in hot is made from dextrinised potato starch containing undegraded but gelatinized starch.ALSO:Wet strength paper is produced by treating an absorbent cellulose paper with an acid or concentrated zinc chloride solution and mixing the resulting pulp with animal glue or casein and subsequently hardening the paper with formaldehyde.  The wet strength may be improved by adding a water soluble synthetic resin such as polyethylene imine to the cellulose.  Urea-formaldehyde condensation products can also be used for imparting wet strength to the paper, the final condensation being effected at 120-130 DEG C. and during subsequent storage.
Patent GB-1206804-A (GB)
Title: Automatic device for orientating and dispensing capsules to filling or other processing stations
Inventor: GAMBERINI ERNESTO
IPC: A61J3/07
Filed: 1967-10-23
Abstract: 1,206,804. Orientating capsules. E. GAMBERINI. 23 Oct., 1967 [25 Oct., 1966], No. 48144/67. Heading B8S. A capsule orientating machine comprises a hopper and discharge tubes reciprocable in the base of the hopper, the tubes conducting the capsules to orientating means from which they pass through guides to receivers in a filling conveyer. The conveyor may be a turntable and include means to remove and replace the caps of the capsules. Hopper discharge.-The apparatus is mounted for rotation on a fixed shaft 1 which has secured to its upper end a scroll cam element 7. The discharge tubes 12 are reciprocated through the base of the hopper 10 by followers 8 running in the cam groove 7b. A spring 18 in the base of each tube prevents exit of a capsule until it is deflected by a stationary cam 30. The capsule then falls into the larger end 23a of aligned keyhole slots 23 in discs 20 and comes to rest on a stationary blade 34 which extends part way round the discs' path of rotation. - Orientating.-The slots are dimensioned so that, while the portion 23a is an easy fit for the cap, the portion 23b is a light push fit for the body and a tight fit for the cap. A stationary blade 32 projects between the discs, its inner edge progressively approaching their axis of rotation. It engages each capsule in its upright position in a slot and shifts it to lie horizontally. If the cap is uppermost, the capsule rotates about the cap so that its body enters the slot part 23b in the upper disc 20. If the cap is lowermost, the capsule is rotated to lie in the lower disc slot. As each slot clears the blades, a pusher 24 on the base of each tube 12 engages the body and rotates the capsule to the vertical position with the cap uppermost while pushing it clear of the discs. The capsules fall through guide tubes 25 into holders 26b, 26d, fed earlier as units into apertures in discs 35. The bore of the holder portion 26d tapers to slightly less than the cap diameter so that the capsules remain suspended by their caps until over a suction manifold 40, when the bodies are drawn down clear of the caps to rest on a disc 37 within the portions 26b. Means (not described) then remove the holders for passage to apparatus for filling and sealing the capsules. Alternative embodiment, Fig. 4 (not shown), has circular section tubes 12 with a spring- loaded pivoted closure in lieu of the spring 18, still operated, however, by a fixed cam. The keyhole slots are arranged radially opposite to those of the first embodiment, the slots opening out to the periphery of the discs. Capsules of faulty dimensions, e.g. formed by two telescoped caps are ejected radially by a curved cam surface on each pusher.
Patent GB-1279464-A (GB)
Title: Production of light conducting glass fibres
IPC: C03C25/68
Filed: 1969-10-01
Abstract: 1279464 Optical glass fibres; silica-metal oxide mixtures NIPPON SELFOC KK 1 Oct 1969 [3 Oct 1968 6 Dec 1968] 48290/69 Headings C1A and C1M An optical fibre having a refractive index distribution in any cross-section transverse to the central fibre axis representable by where r is distance from the axis, N and N 0  are the refractive indices at a distance r from the axis and at the axis respectively, and C is a positive constant, is produced by treating a glass fibre comprising a glass modifying oxide which may diffuse in the glass with an agent which extracts some of the said oxide, and causing the oxide to diffuse in the glass to set up a concentration gradient which gives said refractive index distribution. The glass may be heated to a temperature below its softening point, and then contacted with the agent at this temperature for sufficient time to set up the required distribution. Alternatively the oxide may be extracted (e.g. below the strain point) and the glass then heated at above its strain point for long enough to cause diffusion of the remaining oxide to give the refractive index distribution. The extracted ions may be thallium or alkali metal, and the extracting agent may be water, either as steam or as aqueous acid (e.g. aqueous HCl), clay mineral (e.g. applied as an aqueous paste), ZrO 2  or Cr 2 O 3 , an acid gas (e.g. SO 3 ), NH 4 Cl, or CCl 4  and/or SiCl 4 . Compositions of silica-thallium oxides (50-50 and 56-44); silica-lead oxide (45-55); silica-rubidium or caesium oxide (50-50) and boron oxidethallium oxide (80-20); all percentages by weight, and glasses of oxides of the following Si, 65; Na, 13; Al, 22 and Si, 48; Tl, 20; Na, 12; Pb, 20 are used as the initial fibre compositions. Co-pending Specification is referred to.
Patent GB-1046178-A (GB)
Title: Assembly of a packing retainer on a threaded coupling member
Inventor: SCHMOHL LELAND HENRY
IPC: F16L15/04
Filed: 1964-11-27
Abstract: 1,046,178. Jointing by stamping. PARKERHANNIFIN CORPORATION. Nov. 27, 1964, No. 48356/64. Heading B3Q. [Also in Division F2] Apparatus for assembling a frusto -conical ring 8 in a groove 5 of a threaded coupling member 2 comprises a tool 17 with a recess 16 embracing the outside diameter of the ring, and a tool 18 with a rib 19, the ring 8 being flattened between the tools into engagement with the base of the groove, Fig. 7 (not shown), while the recess 16 prevents expansion of the outer diameter of the ring. Parts of the tool 18 may be hinged together.
Patent GB-1325162-A (GB)
Title: Device for accurately measuring the position of a distant object
IPC: F41G7/30
Filed: 1970-10-12
Abstract: 1325162 Missile guidance SOC D'ETUDES ET DE REALISATIONS ELECTRONIQUES 12 Oct 1970 [13 Oct 1969 10 April 1970] 48398/70 Heading H4D In an optical missile guidance system, an image disector tube 31, Fig. 3, has its field of view visually centred on the target 27. The image, including the missile 34 is raster scanned, firstly with the line direction vertical to give the x co-ordinate of the missile's position with respect to the central target, and then with the line direction horizontal to give the y co-ordinate. In the first x scans, the disector output d, Fig. 2, includes responses (i 1 -i n ) due to fixed objects and response i x  due to the missile. The former remain fixed in the next x scan (i<SP>1</SP> 1 -i<SP>1</SP> n ) and are cancelled out by delaying the first scan responses by two field periods and subtracting them from the present responses. Similar action with successive y scan responses (j x , j 1 -j n ) and (j<SP>1</SP> 1 , j x , j<SP>1</SP> 2 -j n ) remove the fixed responses to leave the missile response. The response i<SP>1</SP> x  and j<SP>1</SP> x  position are converted to x and y co-ordinates by pulse counting techniques. The co-ordinate signals are fed as flight correction signals to the missile. The image of the target may be optically enlarged by means 32 as the missile nears the target. The operator views the missile and target by means of the same optics as the image disector. Mirror 22 is gyroxopically controlled by joystick 28, and position defining signals are fed to the guidance system gyros 29, 30. The image director and scanning circuitry may be carried by the missile (Fig. 4, not shown), the position co-ordinates of the target within its field of view being transmitted towards the ground, from whence flight correction signals are transmitted back. A laser may be substituted for image disector 31 for illuminating the target. The system can be used as a star tracker.