baber/WOPTO huggingface dataset:
Patent GB-1161049-A (GB)
Title: Field-effect semiconductor devices.
Inventor: TESZNER STANISLAS
IPC: H01L29/808
Filed: 1968-06-12
Abstract: 1,161,049. Semi-conductor devices. S. TESZNER. 12 June, 1968 [13 June, 1967; 17 Oct., 1967; 30 Nov., 1967; 21 March, 1968]. No.27981/68. Heading H1K. A multichannel field effect semi-conductor device, or " gridistor," comprises in a wafer of semi-conductor material of one conductivity type, having source 36 and drain 39 regions on its parallel major surfaces, a diffused internal grid 34 of the opposite conductivity type which bounds a number of conductive channels 37, the grid comprising a frame zone 35 from which bands or strips 30 extend, such zone and bands being devoid of channels and having one part 35 within the wafer and a further overlying surface part 52, both parts being in ohmic contact at 32. The bands 30 ensure that the distance, and hence the resistance, between the central channels and the frame zone 35 to which external contact is made is small. To reduce the source-grid input capacitance the resistivity of the epitaxial layer 3 is higher than that of the substrate layer 1 with the source and drain electrodes'as above, or in the case where they are reversed layer 3 has a lower resistivity than layer 1. The semiconductor material is silicon and the dopants used are boron and phosphorus. A number of configurations are disclosed. To prevent the spreading of the grid 34 and hence the constriction of the channels 37 during the diffusion cycles in the later stages of the manufacture of the device the layer 3 has its thickness reduced by etching over those parts where the frame is to be to form a groove 51 into which the part 52 of the frame is diffused, the time to reach a depth at which the submerged part 35 lies being in this case much reduced. A metal layer 54 is then applied in the groove in contact with the frame zone. Alternatively, an impurity which diffuses much more quickly than that used to form the grid may be used, such as aluminium in the case of a boron grid. In an alternative embodiment, Fig. 9 (not shown), the device has no peripheral frame zone, it being replaced by a solid central zone (59) with radiating arms (72). In a further embodiment, Fig. 13 (not shown), five diamond-shaped gridistors are juxtaposed in the form of a quincunx, the frame zones and arms being interconnected.
Patent GB-1395538-A (GB)
Title: Comminution of refuse
IPC: B02C13/284
Filed: 1972-06-15
Abstract: 1395538 Pin mills; comminuting apparatus J R KAELIN 15 June 1972 28128/72 Heading B2A A disintegrator for domestic refuse comprises a container having a removable cover and housing a pin mill, the pins of which are parallel to the axis of rotation of the mill, the material flow through the mill being radially inwards and the mill compartment tapering towards a central outlet. Material enters via a feed wheel 10 to fall on a cone 5, rotatable in either direction, on which is is thrown against hammers 11 suspended from a cover 4 raisable by rams 36. The cone forms the rotating portion of the pin mill and at its periphery carries blades 12 which urge the partially disintegrated material radially inwards through the mill where it is further reduced by toothed pins 13, 20, 21, the pins 20, 21 being rotatable. Elements 14, raisable by means 15, force sufficiently reduced material through a fixed sieving cylinder 17 where an element 18 sweeps it towards a discharge wheel 19. Spiked plates, e.g. 5a, 102, line the mill where shown, to assist disintegration. Material which cannot be reduced prior to entering the mill may be removed by magnets or otherwise (not specified). Material not passing through the sieve 17 is discharged by lowering the sieve as a unit so that this material slides down the conical mill floor and falls into the seive from above. The sieve is then tilted, Fig 5, (not shown), to tip the material into means for removing it from the site. The cover includes explosion flaps 31 and hot air inlet nozzles 34 and gas removal means through an outlet 35 may be provided. The air may be monitored for temperature and moisture by a control 104 and also for explosive potential. Infra red heating means 38 may be arranged in the mill. The apparatus may be combined with a fabric, cord etc. cutting device, advantageously provided on the inlet funnel 105, Fig 1. The device comprises one or more stationary gratings 41, Figs 3, 4, traversed each by a rotatable knife 42 to shear fabric etc. in co-operation with the grating upper surface.
Patent GB-1312874-A (GB)
Title: Process for changing supply spools and finish-wound cops on draw-twisting and draw-winding machines
IPC: D01H1/38
Filed: 1971-06-16
Abstract: 1312874 Piecing on ring twisters MASCHINENFABRIK RIETER AG 16 June 1971 [16 June 1970] 28172/71 Heading DID During the change of supply spools and fully wound cops on a draw-twisting or a draw-winding machine which has at least two stretching zones, a new thread connection is made between the stretching zones and the new supply spool and the thread is removed from the second and any following stretching zones, and the machine is run at low speed until the thread is taken up at a waste accumulation station outside the stretching zones. As shown, there are three stretching zones A, B, C and when a new connection 25' is made the thread is withdrawn from a heater 12 and zones B and C. The connection 25' is wound up as a waste winding at 23 with the machine running at low speed. Thereafter the thread is returned to the stretching zones B and C and the machine is run at normal speed. (For Figure see next column)
Patent GB-1008149-A (GB)
Title: Improvements in cooking vessels
IPC: A22C7/00
Filed: 1962-07-23
Abstract: 1,008,149. Cooking vessels. H. RITTER. July 23, 1962 [July 21, 1961], No. 28177/62. Heading A4A. A ham boiler comprises an oblong vessel 10 and a cover 11 which is displaceable in the vessel, to rest on the ham, under the influence of a stack of leaf springs 18 provided between the cover and a crossmember 13 adjustably secured across the top of the vessel. The member 13 has a channelled centre part enclosing the elements of the spring and lugs 12 integral with the cover, pins 17 detachably engaging bores in the lugs and key-hole slots 15, 16 in the cover. Forked projections 19 from end walls 14, which close the channel of the cover, have open bearings 20 for pivot pins 21 integral with toothed stays 22 which are biased by the uppermost element 28 of the leaf spring to engage a lip 24 on the vessel. The stays 22 have straight cam faces 25, 26 providing two stable positions for the stays and over-stressing of the spring element 28 is prevented by a stop 27.
Patent GB-1399837-A (GB)
Title: Articles having integral transparent or translucent panels
IPC: E04C2/54
Filed: 1971-06-16
Abstract: 1399837 Moulding cellular articles comprising translucent panels IMPERIAL CHEMICAL INDUSTRIES Ltd June 1972 [16 June 1971] 28212/71 Heading B5A In a method for making a shaped article having a transparent or translucent panel formed therein, a blank of cellular plastics material is pressed at a temperature above its softening point between dies shaped and positioned to define the panel, thereby to remove the cellular structure of the blank and thus form a non-cellular panel in the blank; the blank is formed by polymerizing an aqueous emulsion of a polymerizable liquid, and removing the water from the blank over at least the area where the panel is desired. To give a scratch resistant surface, a fused skin may be formed on the blank before formation of the panel, which may be accomplished either by (a) heating the blank to a temperature above its softening point, and pressing between dies which are at a temperature below its softening point or (b) pressing an unheated blank between dies at least one of which is at a temperature above the softening point of the polymer. If desired, several sheets may be laminated together to form the blank, which may incorporate metallic foils, thermoplastic foils, pigments, fillers, or fibrous reinforcements. The monomeric materials may be styrene, methacrylates, acrylates, vinyl acetate, or vinyl chloride. The examples refer to the production of a door having a window formed therein, direction signs (having coloured arrows on a white surround), building elements having antiglare panels (incorporating light absorbent or polarizing fillers), road signs, advertising displays, decorative lighting.
Patent GB-1431544-A (GB)
Title: Continuous fermentation processes for converting hydrocarbons into  proteinaceous materials
IPC: C12R1/01
Filed: 1972-06-16
Abstract: 1431544 Yeast &c BRITISH PETROLEUM CO Ltd 29 May 1973 [16 June 1972] 28231/72 Heading C6F In a fermentation process for converting hydrocarbons into proteinaceous materials, exemplified by the cultivation of Candida tropicalis on gas oil substrates, a fraction comprising essentially aqueous phase separated from the fermentation broth is treated in a secondary fermentation with a carboxylic acid utilizing micro-organism (Alcaligenes, Pseudomonas, Achromobacter, Chromobacterium, Moraxella) and the treated aqueous phase is recycled to the main fermentation, either continuously or intermittently. The secondary fermentation can be carried out non-aseptically utilizing a naturally occurring mixed culture of carboxylic acid utilizing bacteria. A vat type air lift (fermenter), vortex type fermenter, trickle filter fermenter or activated sludge fermenter may be employed. "Make-up" nutrients may be added to the treated aqueous phase prior to recycling to the main fermentation, and the organisms therein are inactivated or killed by heating or separated off.
Patent GB-295527-A (GB)
Title: Improvements in coin-controlled automatic liquid dispensers
IPC: G07F13/02
Filed: 1927-10-24
Abstract: 295,527. Pocock, S. J., and Richardson, J. K. Oct. 24, 1927. Delivery of liquids. - In a coin-controlled apparatus for automatically delivering liquids, particularly gasoline and oil, after insertion of a coin and rotation of an outside handle, a friction disc 28, Figs. 4 and 6, makes one revolution and drives a friction wheel 33 on the squared upper end of a screwed shaft. A wheel nut 37 rises on the shaft and carries with it a bracket 48 which raises a threaded rod 49. This carries a depending link 54 which is raised out of engagment with a lever 55 so allowmg a bar 58 having a notch 59 in it to drop by gravity. The displacement of the notch 59 allows the plunger 60 of an electric switch to be pressed in to start an electric motor driving a pump. Rods 47 from the pump through pawls 44, 45 drive a wheel 43 which, through bevel gearing 40, 41, rotates a long pinion in mesh with the wheel nut 37. The nut 37 thereby descends its shaft and, when it reaches its initial position, the shaft 49 raises the bar 58 and opens the switch 60. The disc 28 is loose on a shaft 27 and is connected thereto by a spring 72 so that there is a slight lost motion of the shaft 27 before the disc 28 commences to rotate. This allows a cam 66 to withdraw a locking pawl 70 from a stop pin 71 on the disc by acting, through rods 67, 68. The shaft 27 has a gear wheel 26 meshing with a wheel 25 on a stub shaft rotated after prepayment. The disc 28 makes one revolution for each coin inserted. Price-changing mechanism. - The quantity delivered per coin is changed by altering the radial position of the wheel 33 with respect to the disc 28. The wheel 33 is carried by a bracket 34 through which a pair of screwed rods 35. geared together, pass. By rotating one of the gears on the rods, the position of the bracket 34 is changed. Indicators.-The bracket 34 carries a threaded rod 62<1> which acts as a rack on a wheel 63 thereby turning a shaft 64 carrying a pointer to indicate the price per gallon. The rod 49 also rotates a wheel having a pointer for indicating the number of gallons to be delivered. Coin action, mechanical-connection; coin-discharging mechanism.-A coin enters a segmental notch 11, Fig. 7, in a cylinder 10 turned by a crank handle, and a radial notch 15 in a cylinder 12 fixed to the stub shaft 13 that carries the gear wheel 25. The cylinders 10, 12 are coupled by the coin for rotation together but after a quarter revolution a fixed cam 21 presses a spring-controlled bolt 17 on the cylinder 12 into a recess 10<1> in the cylinder 10 to couple these cylinders independently of the coin, which being relieved of pressure, drops to a money-box. When the bolt 17 drops from the upper to the lower surface of the cam 21, the. cylinders become disconrected. The cam is adjusted in position by a pin 22 and set screws 23.
Patent GB-910688-A (GB)
Title: Starch manufacturing process
Inventor: DOWIE DOUGLAS W
IPC: C08B30/04
Filed: 1959-08-20
Abstract: The wet starch manufacturing process of the parent Specification is modified by impacting the wet de-germinated material at a speed of less than 21,000 feet per minute against a surface to break the endosperm cells and release the starch granules from the proteinaceous material without creating substantially any unseparable fine proteinaceous material and separating substantially all the proteinaceous material from the starch granules.  The wet material is preferably centrifugally impacted in a plurality of impacting steps and at least 60% of all the material remains on a screen having an aperture <PICT:0910688/IV(a)/1> of 0,093 inch.  The starch may be treated in a mill which comprises essentially a rotor 20 mounted on a drive shaft 22 extending vertically upwardly and rotatably mounted in bearings 24 and 26.  The shaft 22 extends through a top supporting plate 28 which not only forms a closure for the upper portion of the impact mill but also has suspended from it the casing 30.  The material to be treated is discharged from shoots 40 and 42 on plate 52 of the rotor hub 54 and is impelled outwards and is hit by pins 58 resulting in the breakage of the individual particles, the material then shoots outwardly for further severe impacting on pins 62.ALSO:The wet manufacturing process of proteinaceous material of the parent Specification is modified by impacting the wet degerminated material at a speed of less than 21,000 feet per minute against a surface to break the endosperm cells and release the starch granules from the proteinaceous material without <PICT:0910688/IV (b)/1> creating substantially any unseparable fine proteinaceous material and separating substantially all the proteinaceous material from the starch granules.  The wet material is preferably centrifugally impacted in a plurality of impacting steps and at least 60% of all the material remains on a screen having an aperture of 0.093 inch.  The material may be treated in a mill which comprises essentially a rotor 20 mounted on a drive shaft 22 extending vertically upwardly and rotatably mounted in bearings 24 and 26.  The shaft 22 extends through a top supporting plate 28 which not only forms a closure for the upper portion of the impact mill but also has suspended from it the casing 30.  The material to be treated is discharged from shoots 40 and 42 on plate 52 of the rotor hub 54 and is impelled outwards and is hit by pins 58 resulting in the breakage of the individual particles, the material then shoots outwardly for further severe impacting on pins 62.
Patent GB-217501-A (GB)
Title: Improvements in binding covers for papers, also applicable to filing devices
IPC: B42F13/42
Filed: 1923-11-13
Abstract: 217,501. Wilson, F. Nov. 13, 1923. Post files.-A transfer device for use with arch &c. files, which when filled forms a permanent binder for the papers, comprises a front cover board 2 divided at its back edge to form a cover strip 2a and a binding strip 5, and a back cover board 1 having a similar binding strip 4, the cover strip 2a and the cover board 1 being united by a flexible back 3. Hollow posts 8 mounted on a cross-bar 7 are inserted in the perforations 6, so that the cross-bar 7 is secured between the strips 2, 5. In operation, the covers 1, 2 are bent back, as shown in Fig. 5, and the hollow posts 8 are slid over the posts 8<a> of an arch or other post binder. The papers the then filed in the usual manner, and, when the binder is full, the posts 8 with the binder cover and papers are removed from the posts 8<a>. The cover 1 is then turned so as to allow the strip 4 to be threaded on to the top of the posts 8, where it is secured permanently in position by nuts and washers.
Patent GB-1302503-A (GB)
IPC: B21B43/00
Filed: 1971-06-18
Abstract: 1302503 Cooling beds MOELLER & NEUMANN GmbH 18 June 1971 [18 July 1970] 28650/71 Heading B3M A residual length 8 of a steel bar is fed along an entry rollway by rollers 10 and is subjected to a preliminary breaking force by raising plates 26 above the level of the rollers so that, after transfer of the bar into a first stationary groove 14 of a cooling bed III by the vertical movement of bottom plates 2, the trailing end of the bar lies at the entry end of the cooling bed, i.e. the left hand end in Fig. 1. Rod from a rolling mill is cut into lengths by rotating shears 6 and guided by deflectors 4 into an entry groove II. Each rod is laterally supported by the raised plates 2 as it is fed along the groove II and only the shorter residual lengths of rod are subjected to the preliminary breaking force. The plates 2 then move below the level of the rollers 10 and then upwardly to transfer the rod to the groove 14. The cooled rod is cut into commercial lengths by cold shears 18.
Patent GB-191867-A (GB)
Title: Improvements in machines for manufacturing articles or material formed from rubber or other adhesive and fibre
Filed: 1921-10-28
Abstract: 191,867. Andrew, G. E. Oct. 28, 1921. Fabrics composed of threads or cords united by adhesives; coating fabrics &c. in long lengths.- In a machine for the production of bands of fibre United by rubber or like adhesive, and particularly those approximately one fibre thick, of the type in which the fibres pass between rollers one or more of which rotate in a bath of adhesive, the rollers between which the fibres first enter the adhesive, and those between which they leave are slightly out of contact with one another. A band of parallel fibres produced by usual means a, b, c passes between rollers g, h, the lower oi which, g, dip into a bath d of adhesive, and are spaced slightly-out of contact with the roller h. For impregnating thick fabrics, a supply of agglutinant is fed to the upper roller h by a device i and flap k. When rubber, solution is used, the fibres are first dried, and then passed through a bath f of the solvent before they are passed between the rollers g, h. When latex is employed, the fibres are passed through a bath of latex solvent such as ammonia. To prevent the band of fibres from climbing round the drawing rollers c a blast of air is directed on to them as they leave the rolls.
Patent GB-481036-A (GB)
Title: Improvements in final drive gears for swinging half-axles of vehicles
IPC: B60K17/16
Filed: 1936-10-22
Abstract: 481,036. Motor vehicles. ZAVODY TATRA AKCIOVA SPOLECNOST PRO STAVBU AUTOMOBILU A ZELEZNICNICH VOZU. Oct. 22, 1936, No..28775. Convention date, Dec. 6, 1935. Addition to 478,833. [Classes 79 (ii), 79 (iv), and 79 (v)] In a vehicle having driving gear for one or more pairs of swinging half-axles as claimed in the parent Specification, the main driving shaft 2 journalled in a main tubular chassis frame member 1 drives by spur gearing 3, 4, a differential gear 5 enclosed in a casing 15, the differential shafts 7 carrying spur gears 6 to drive lay shafts of the half-axle shafts, and the bearings 16 for the differential shafts 7 forming the pivot pins for the casings 12 enclosing the ends of the half-axle shafts and the gearing 6, 8, 9, 10 therefor. Each casing 12 is rigid with its half-axle 11. A brake drum 17 may be provided on the end of the driving shaft 1.
Patent GB-340035-A (GB)
Title: Improvements relating to combined lighting dynamos and ignition magnetos
IPC: H02K16/00
Filed: 1929-09-24
Abstract: 340,035. Lucas, Ltd., J., Turner, W. C., and Harris, E. G. Sept. 24, 1929. Machines with two or more armatures; casings. -In a combined magneto and lighting dynamo in which the dynamo is accommodated in a saddle on the upper side of the magnet, and abuts against a flat surface on the gear housing, correct correlation of the dynamos and gear housing is ensured by a boss on the dynamo concentric with the shaft which engages an aperture in the gear housing, and by a screw projecting from one end of the dynamo and passing through a hole in the gear housing to receive a nut on its outer end. In the form shown, the circular dynamo frame h, is supported by the saddle g on the top of the magneto a and is secured by a strap i. The driving end of the dynamo abuts against the flat surface k of the gear housing c, and a boss e on the dynamo, concentric with the shaft, fits accurately into an aperture m in the housing c, thereby ensuring correct location of the gear wheel e. A screw n in the aperture o and a nut p serve to pull the end of the dynamo tightly against the face of the housing.
Patent GB-951435-A (GB)
Title: Production of acyl-alkyl-phenols
Inventor: LACEY RICHARD NORMAN
IPC: C07C45/63
Filed: 1959-08-25
Abstract: Acyl alkyl phenols are prepared by dehydrogenating a compound of the formula: <FORM:0951435/C2/1> where R1 represents an alkyl or aryl group, R2 represents a hydrogen atom or an alkyl or aryl group, R3 represents a hydrogen atom or alkyl group and R4 represents an alkyl or aryl group. The dehydrogenation may be carried out by distilling the cyclohexenone in the presence of a dehydrogenation catalyst e.g. a platinum group metal or by halogenating the cyclohexenone with chlorine, bromine or iodine and dehydrohalogenating the reaction product. Examples are given.  Specification 852,935 is referred to.
Patent GB-286683-A (GB)
Title: Improvements in or relating to abrasive wheels and methods of making the same
IPC: B24D18/00
Filed: 1927-10-31
Abstract: 286,683. Gammeter, J. R. March 9, 1927, [Convention date]. Wheels.-An abrasive wheel 10 has bonded thereto, on either or each face, by means of vulcanized rubber or other tough resilient material, a plate 11, whereby a resilient clamping action is obtained by means of plates 13 which secure the wheel to a spindle 14. The wheel, after the firing &c. employed in its formation, has applied to its faces a liquid rubber compound, the plates 11 are coated with thin rubber, and after application of the plates to the wheel, the whole is inserted in a heated press to vulcanize the rubber; the thickness of the layer of rubber is comparable with the grain size of the wheel.
Patent GB-799159-A (GB)
Title: Improvements in or relating to the disposal of nocuous gases containing nitrogen oxide fumes
IPC: B01D53/86
Filed: 1956-09-24
Abstract: A nickel alumina catalyst is prepared by precipitating basic nickel carbonate with ammonium carbonate or bicarbonate on finely divided alumina hydrate of about 10 mesh by a process similar to that described in U.S.A.  Specification 2,570,882.  After drying and calcining, the mixture is mixed with 5 per cent of a volatilizable lubricant such as a high melting point wax, the resulting product pelleted, the lubricant removed by heating to a temperature of 500 DEG  C. in the presence of oxygen and the pellets finally heated to 1050 DEG  C. to harden by sintering.  A preferred catalyst contains 75 per cent NiO and 25 per cent Al2O3.
Patent GB-867638-A (GB)
Title: Improvements in or relating to frame structures
IPC: A47B57/00
Filed: 1959-08-26
Abstract: 867,638. Shelf structures. INGVARTSEN, A. Aug. 26, 1959 [Aug. 30, 1958], No. 29190/59 Class 52(1). Adjacent columns 15 for shelf brackets are braced together laterally by elements comprising upper and lower channels 1, 2 spaced by a framing 3 .... 8 of rods welded thereto, the channels having tongues 13 at their ends for insertion in sockets 17 on the columns and having, on each side of the rods, sufficient space to receive a fibreboard or like covering panel which can be sprung into place.