baber/WOPTO huggingface dataset:
Patent GB-356601-A (GB)
IPC: B60R19/16
Filed: 1930-12-12
Abstract: 356,601. Steering motor vehicles. HARZBECKER, R., 1, Sternplatz, Dresden, Germany. Dec. 12, 1930, No. 37527. Convention date, Dec. 13, 1929. [Class 79 (v).] In a fender for motor vehicles of the kind comprising a frame faced with antifriction rollers, the frame is divided into two pivotally-connected parts a, b, each connected to a double-armed lever f by an arm e, e<1>, the levers f being arranged one above the other and pivoted to the front axle h of the vehicle and each lever having a slot k, whereby it cooperates with a pin l in the connecting-rod m of the steering-gear, so that when one of the parts a, b encounters an obstacle and is deflected, the vehicle is steered away from the obstacle. The parts a, b are provided on their rear faces with rollers n to prevent the parts moving into contact with the road wheels.
Patent GB-1093664-A (GB)
Title: Semiconductor process
IPC: H01L29/00
Filed: 1966-08-22
Abstract: 1,093,664. Semi-conductor devices. MOTOROLA Inc. Aug. 22, 1966 [Oct. 20, 1965], No. 37574/66. Heading H1K. A method of fabricating a plurality of PNP semi -conductor devices comprises depositing a layer of N-type semi-conductor material on a P-type substrate, diffusing an N+ type enhancement layer into the surface and simultaneously forming a silicon dioxide coating, selectively etching apertures in the coating, forming P-type regions by diffusing impurities through the apertures, and scribing the substrate between the P-type regions. A plurality of transistors are produced by epitaxially depositing an N-type silicon layer 12 on a P + type substrate 14, Fig, 1A, diffusing phosphorus from the vapour phase into the surface to produce an N + type layer simultaneously forming an oxide layer 20, Fig. 1B. Layer 20 is then photomasked and etched and boron is diffused in to produce P+ type emitter region 26, Fig. 1C. A thick layer 30 of dense glass is deposited over the surface, Fig. 1D, windows are etched, and phosphorus is diffused in to form N + type base contact regions 36 and to heavily dope glass layer 30 with phosphorus, Fig. 1E. The phosphorus-glass layer which forms over regions 36 during this diffusion is removed and replaced with steam-grown glass. The contact areas are exposed and a layer of aluminium is vapour deposited and is masked and etched to form the required base and emitter contacts. Each device in the wafer is masked and the wafer etched to form mesas 46. A chromiumsilver layer 48 is deposited on the lower face of substrate 14 to form the collector contacts, Fig. 1F. The devices are tested, the wafer is scribed and broken, and the selected individual transistors are mounted on headers and packaged. The diffused emitter region of each transistor is arranged to have a large perimeter, Fig. 2 (not shown). In a modification, Fig. 4 (not shown), the wafer is provided with a P-type epitaxial layer (52) between the P+ type substrate (56) and the N-type epitaxial layer (54). In a second embodiment a substrate having a P-type region (62) with an underlying P+ type layer is masked with an oxide layer (60), Fig. 5A (not shown). Phosphorus is diffused-in to form an N-type base region (64) simultaneously re-oxidizing the surface, Fig. 5B (not shown), and boron is diffused-in to form P- type emitter region (70), Fig. 5C (not shown). The oxide and glass layers are removed and a thick dense glass layer (74) is deposited on the surface, Fig. 5D (not shown), a window is formed and phosphorus is diffused-in to form an N+ type base contact region (76) and to dope the glass layer (74) with phosphorus, Fig. 5E (not shown). The wafer is then processed as in the first embodiment. The masking layer (30 or 74) may be of silicon dioxide deposited by the decomposition of silicon pentachloride, or may be of a silicate such as boro-alumina-silicate. It is also stated that a metal such as chromium may be used as the masking layer. The invention may be applied to the production of PNP transistors in integrated circuits.
Patent GB-1046627-A (GB)
Title: A speech or sound reproduction device for dolls or the like
IPC: A63H3/28
Filed: 1963-09-25
Abstract: 1,046,627. Talking dolls. A. J. P. VAN DEN HURK and W. HILLER. Sept. 25, 1963 [Oct. 2, 1962; June 5, 1963], No. 37678/63. Heading G5R. Sound reproduction apparatus for a doll or the like comprises a sound carrier having a pick-up guided in its sound grooves, one or the other being secured to the doll and the other being displaceably mounted so that tilting in one direction causes the pick-up to be guided in a sound groove. In one arrangement, Fig. 1, the pick-up 2 is mounted on an arm 3 secured by a bolt 3a in a slot 5 so that when the body 4 is tilted in one direction the pick-up engages the record 1, and when the body is tilted in the opposite direction the pick-up is disengaged from the record. In another arrangement, Fig. 2 (not shown), the pick-up is fixed and a record is arranged along an arc of a circle and pivoted at its centre; a weight on one end of the record causes the record to rotate when tilted. In Fig. 3 a carriage 10 is slidable along a pair of guide rails 6 mounted above a flat record. The pick-up 2 is pivoted at 7 to the carriage and at its upper end carries a weight 8 so that tilting in one direction causes engagement of the pick-up and tilting in the opposite direction causes disengagement; stops 9 limit the rotation. The record may be in the form of a replaceable foil or may be formed in part of the doll, Fig. 5 (not shown). The sound track may comprise two parallel grooves joined at their ends by semicircular guide grooves so that the pick-up need not be disengaged from the record, Fig. 4 (not shown). The record may be in the form of a hemispherical shell or a rectangular segment thereof, Fig. 6. On its inner surface the shell is provided with U-shaped recesses forming guide tracks 1a, 1b provided with sound grooves in their bottom surfaces. The guide tracks are provided with inlets 14 from recesses 15 which guide the pick-up from a track la in one direction to a track 1b in the opposite direction and vice versa. The pick-up arm (not shown) is attached to an axle 20, Fig. 12, which also carries an arm 17 carrying a non-return pawl 18 engaging teeth at the side of the record to prevent reverse movement of the pick-up arm. The arm 17 carries an adjustable weight 17a for regulating the pick-up movement, and braking means may be coupled to the axle 20, Fig. 9 (not shown).
Patent GB-848250-A (GB)
Title: Automatic clutch control system
IPC: B60K23/02
Filed: 1957-12-04
Abstract: 848,250. Clutch control. FICHTEL & SACHS A.G. Dec. 4, 1957 [April 12, 1957], No. 37767/57. Addition to 804,525. Class 80 (2). In a motor vehicle having a clutch 1 engaged by engine-speed responsive means and disengaged by suction, air or oil pressure, servo 3 during gear shift, and wherein during such servo disengagement the engine speed is increased above that required for speed-responsive disengagement by partly opening the engine throttle 8, as described in the parent Specification, vehicle-speed responsive means 9 prevents such engine-speed increase below a predetermined low vehicle-speed (15 k.p.h.) to facilitate gear engagement. In the suction energized form shown, energization of a solenoid valve 5, during gear shift, directs engine-manifold depression 4 to the clutch-release servo 3 and, through a branch 6, to a diaphragm 12 which partly opens the engine throttle 8 unless vehicle speed is below the predetermined value, whereupon a switch is closed by an output-driven governor 9 or the usual speedometer, and energizes a solenoid 14 to close a spring-opened valve 16 cutting off and exhausting at 19 depression 6 from the diaphragm 12 which is then spring-returned to inoperative position.
Patent GB-818231-A (GB)
Title: Improvements in and relating to control apparatus for electric motors
Inventor: SYKES WILLIAM HARRISON
IPC: H02P7/26
Filed: 1954-12-31
Abstract: 818,231. Automatic speed control. ENGLISH ELECTRIC CO. Ltd. Dec. 30, 1955 [Dec. 31, 1954], No. 37792/54. Class 38 (4). The speed of a shunt D.C. motor is maintained constant in spite of voltage fluctuations in the common source by a feedback loop arranged to vary the armature back E.M.F. in accordance with a reference voltage obtained from a non-linear network, the rate of change of the reference voltage relative to the common source varying directly as the rate of change of the total effective air-gap flux of the motor. The armature 10 is fed from the A.C. lines 12, 13 through a controlled rectifier 14 and the field 11 through an uncontrolled rectifier 15. The armature back E.M.F. is compared in a control unit 18 with the reference voltage from potentiometer 17, the error voltage being used to control the rectifier 14 in the sense to reduce the error. The potentiometer 17 is fed through resistance r from a rectifier 16, connected to the common source 12, 13 and is shunted by a non-linear silicon carbide resistor 20 having, with resistances rand 17, the required compensatory characteristics. The reference voltage is fed to the unit 18 through a circuit 19 which introduces compensation for the IR drop in the armature. The invention is stated to be applicable to a variable-field motor but means must be provided to reduce the compensation when field-weakening takes place, to produce its full effect.
Patent GB-998914-A (GB)
Title: Improvements in or relating to methods of and apparatus for producing liquid oxygen and/or liquid nitrogen
IPC: F25J3/04
Filed: 1961-10-23
Abstract: 998,914. Cold separation of air. PHILIPS GLOEILAMPENFABRIEKEN N.V. Oct. 23, 1961 [Oct. 26, 1960], No. 37894/61. Heading F4P. Production of liquid oxygen and liquid nitrogen from air either separately or together, is effected by passing a major portion of air discharged by a compressor 14 through reversible paths 16a, 16c of a sectioned heat exchanger 16 cooled by effluent nitrogen from oxygen and nitrogen producing columns 18, 20, passing the remainder of the compressed air through an exchanger 23 cooled by liquid bottoms from column 20, combining the two air streams at 56 and in part feeding through a line 57 to column 20 for separation into pure gaseous nitrogen and an oxygen-rich liquid, and in part through a line 59, the reboiler 30 of column 18 and through a line 49 to the condenser 22 of the nitrogen column 20 from the head of which the pure gaseous nitrogen is withdrawn through a line 58 and condensed within a cold gas refrigerator 26 and used in part as reflux in column 18 by passage through lines 27, 29 whilst the remainder is withdrawn as liquid nitrogen product through a valve 46 of duct 29; product liquid oxygen being withdrawn through a valve 44 of a line 63. Exchanger 23 also serves as a filter for removal of carbon dioxide and water.
Patent GB-1048257-A (GB)
Title: Improvements in or relating to slurry collecting vessels especially vessels for use in acid pickling solution regenerating plants
IPC: B01D21/24
Filed: 1962-10-06
Abstract: 1, 048, 257. Slurry collection vessels. EDWARD CURRAN ENGINEERING Ltd. and E. CURRAN. Oct. 2, 1963 [Oct. 6, 1962], No.37909/62. Heading B1D. A vessel 1 has a liquid discharge opening 12 and a drain outlet 2, which is closable by a valve member 3 which is actuated to force undesired large particles through outlet 2. In use slurry-in particular concentrated, spent, acid, pickling solution-containing large and small solid particles is collected in vessel 1. The large particles sink to the bottom, and periodic reciprocation of valve member 3 by lever 4, pivoted at 5, crushes them between surfaces 3a, 9 and forces them down outlet 2. Small particles remain in suspension and are discharged with the liquid through opening 12. Movement of valve member 3 is limited by a stop engaging lever 4, and guides 11 of member 3 always project into outlet 2. Alternatively valve member 3 may be a piston movable into outlet 2.
Patent GB-1157737-A (GB)
Title: Process and Apparatus for the Treatment of Thick Voluminous Textiles
IPC: D06B3/12
Filed: 1967-08-17
Abstract: 1,157,737. Dyeingcarpet material. VEPA A.G. 17 Aug 1967 [20 Aug., 1966], No. 37924/67 Heading D1L. In the dyeing of a long length of carpet material, the material is passed through a padder 1, a dye-setting chamber 3, and rinsers 16-17. Tufted material then passes directly to a dryer 20 whereas needled felt material passes to dryer 20 via a partial dryer 18 and finishing treatment padder 26. At the intake of chamber 3, the material passes over a heated roller 8 and is sprayed with steam from a perforated pipe 12, a mixture of air and -steam being withdrawn through a suction box 9. The material then passes over a suction sieve drum 4 and rollers 6, forming loops while being subjected to saturated steam generated in a sump 14, and passes out through a water seal 13. The material then passes in succession around two suction sieve drums, each being in a wash bowl 16 and followed by a pair of squeeze rollers 17. In dryer 18, needled felt material passes around one or more (two. as shown) suction sieve drums 4 before passing to the padder 26 and dryer 20 in which it passes clockwise (as shown) round a large suction sieve drum 4 and then over conveyor rollers 20. Tufted material passes anticlockwise over drum 4 and then over conveyor rollers 25. The single drum 4 may be replaced by a plurality of smaller drum in series, each drum being rotatable in either direction and having a baffle which may be rotated through 180.
Patent GB-1418566-A (GB)
Title: Process for the preparation of alkylated aromatic hydrocarbons
IPC: C07C1/00
Filed: 1973-08-10
Abstract: 1418566 Alkylaromatic hydrocarbons DOW CHEMICAL CO 10 Aug 1973 [10 Aug 1972] 37968/73 Heading C5E Alkylaromatic hydrocarbons are produced in the presence of an aluminium chloride complex catalyst formed in situ by a process comprising mixing aluminium, an olefin, one or more aromatic hydrocarbons, one or more polyalkylated aromatic hydrocarbons and anhydrous HCl, and simultaneously alkylating the aromatic hydrocarbons, and trarisalkylating the polyalkylaromatic hydrocarbons and the aromatic hydrocarbons, in the liquid phase at 130-250 C. and at a pressure sufficient to maintain the aromatic reactants in the liquid phase. After separation from the catalyst complex, the crude product may be separated into aromatic hydrocarbon and polyalkylated hydrocarbon, which are recycled, and monoalkylated product which may be treated with caustic soda. In the example the preparation of ethylbenzene is described.
Patent GB-319174-A (GB)
Title: Improvement in lubricators
IPC: F16N7/32
Filed: 1928-12-22
Abstract: 319,174. Marks, Sir G. C., (Ingersoll- Rand Co.). Dec. 22, 1928. Lubricant conveyed by fluid.-Oil is supplied to fluid-actuated rock drills, pneumatic hoists, &c. by a lubricator connected to the pressurefluid line, comprising a reservoir C from which oil is raised to a passageway D by a chain S passing over pulleys 0, P, mounted in a tubular member H, which projects through a partition B and is fitted with a screen L. The pulley P is rotated by a propeller T actuated by the fluid.
Patent GB-868744-A (GB)
Title: Dyestuffs of the anthraquinone series and their production
IPC: C09B62/525
Filed: 1957-12-19
Abstract: Anthraquinone dyestuffs are made by acylating anthraquinone derivatives which contain amino groups having at least one exchangeable hydrogen with arylcarboxylic acid halide sulphonic acid chloro- or bromo-alkylamides which contain up to four carbon atoms in the alkylene groups.  The invention further comprises dyestuffs of the formula:-  <FORM:0868744/IV(c)/1> where Y is hydrogen or -SO3H, Z is a direct linkage or -NHAr which has up to two -SO3H groups, Ar is an aromatic radical which contains up to two benzene nuclei, and X is a chloro- or bromoalkylamino radical which contains up to four carbon atoms.  The dyestuffs dye animal fibres and fibres of linear polyamides and linear polyurethanes and dye and print textile goods of natural and/or regenerated cellulose in conjunction with an alkali and heat treatment to give green, blue and violet shades. Specification 823,098 also is referred to.
Patent GB-842632-A (GB)
Title: Phenolic resin coating process
Inventor: LESS FRANK W
IPC: C08L61/10
Filed: 1956-12-17
Abstract: Free-flowing filler particles coated with a potentially thermo-setting phenolic resin composition are produced by mixing together (a) inert filler particles, (b) a comminuted thermoplastic phenolic resin, (c) hexamethylenetetramine in an amount sufficient to render resin (b) thermosetting, and (d) a coating agent comprising (1) water and (2) a volatile organic solvent which is a mutual solvent for both said resin (b) and water, the amount of organic solvent being from 35% to 95% by weight of coating agent, and the ratio of coating agent to phenolic resin being between 0,1 to 1 and 2 to 1, and continuing the mixing until the resin-coated particles become substantially dry and free flowing.  The organic solvent must have a vapour pressure greater than that of water; examples are acetone, methyl ethyl ketone, methanol, ethanol, isopropyl alcohol, n-propyl alcohol and methyl acetate.  The resin may be the reaction product of between 0,5 and 0,85 mole of formaldehyde per mole of phenol.  The material may be sieved after coating.  Mould lubricants such as calcium stearate, montan wax, or carnauba wax may be added to the mixture.  The process may be applied to foundry sand to make a material suitable for the shell-moulding process, or to abrasive grit such as alumina used in making grinding wheels.ALSO:Free-flowing filler particles coated with a potentially thermo-setting phenolic resin composition are produced by mixing together (a) inert filler particles, (b) a comminuted thermoplastic phenolic resin, (c) hexamethylenetetramine in an amount sufficient to render resin (b) thermosetting, and (d) a coating agent comprising (1) water and (2) a volatile organic solvent which is a mutual solvent for both said resin (b) and water, the amount of organic solvent being from 35% to 95% by weight of coating agent, and the ratio of coating agent to phenotic resin being between 0.1 to 1 and 2 to 1, and continuing the mixing until the resin-coated particles become substantially dry and free flowing.  The organic solvent must have a vapour pressure greater than that of water; examples are acetone, methyl ethyl ketone, methanol, ethanol, isopropyl alcohol, n-propyl alcohol and methyl acetate.  The resin may be the reaction product of between 0.5 and 0.85 mole of formaldehyde per mole of phenol. The material may be sieved after coating.  Mould lubricants such as calcium stearate, montan wax, or carnauba wax may be added to the mixture.  The process may be applied to foundry sand to make a material suitable for the shell-moulding process, or to abrasive grit such as alumina used in making grinding wheels.
Patent GB-956493-A (GB)
Title: Automatic loading device
IPC: F27D3/00
Filed: 1961-10-27
Abstract: 956,493. Feeding to grinding machines. TIMKEN ROLLER BEARING CO. Oct. 27, 1961 [Jan. 9, 1961], No. 38502/61. Heading B8A. Bearing cones 13 are fed upwards along walking beam 11, and are held upright at 40 by magnet 41 so that the topmost cone may be discharged by ejector arm 45 into grinder 10. The processed cones are received from the grinder on storage rail 15, maintained upright by magnetic means and periodically displaced leftwards by cylinder 58 to make place for the next processed cone. Finally, the processed cones are removed by hand on handling device 15. Walking beam 11 (Figs. 2, 4). Beam 11 consists of stationary rails 17 and moving rails 18. The latter carry housings 31, 39 (not shown), which bear upon eccentric shafts 30, 38 so that the movement of rails 18 conveys the cones along the walking beam up the slope thereof. Ejector arm 45 (Fig. 7). Arm 45 is operated by cylinder 48 via link 49 and shaft 47, to discharge cone 13 from walking beam 11 and to roll it down shoot 42 into the grinder. Arm 45 has slotted fingers 46 which co-operate with an extension of the beam 11.
Patent GB-1069338-A (GB)
Title: Improvements in or relating to agricultural implements
IPC: A01B41/04
Filed: 1965-09-14
Abstract: 1,069,338. Crop thinning machines. G. H. PALM. Sept. 14, 1965, No. 39157/65. A1B. A device for thinning-out rows of plants comprises two wheels 7 provided with knives 8 and arranged at 45 degrees to the direction of travel the movement of one wheel being sychronized with the movement of the other. The two wheels are driven by flexible shafts 4 from a gear 2 on a shaft 1 carrying spiked landwheels 5. each wheel 7 is carried by a frame 15 provided with an adjustable landwheel 17 and pivotally mounted on a centre frame 11 which carries the landwheels 5.
Patent GB-1468495-A (GB)
Title: Blasting with pellets of material capable of sublimation
IPC: B01F23/30
Filed: 1975-09-25
Abstract: 1468495 Blasting LOCKHEED AIRCRAFT CORP 25 Sept 1975 [27 Sept 1974 27 Aug 1975] 39307/75 Heading B3D A blasting process comprises entraining solid particles of a material which will sublime after engagement with a surface in a stream of pressurised gas in a conduit, the particles being propelled by the gas through a supersonic nozzle untouched to maximise the flow momentum of the particles by producing a local static pressure at the exit of the nozzle equal to the static pressure of the surrounding environment. In apparatus for carrying out the process, a machine 10 produces particles of material which will sublime at ambient temperature, such as dry ice, solid carbon dioxide, 1-chloro-acetophenone, benzoyl acetone, p-bichloro benzene, biphenyl, naphthalene or various phenols. The particles preferably have a tetrahedral shape with sharp corners and edges but may also be cubic, cylindrical or ball shaped. The particles have a size between 1/16 and # inches and a density of at least 90 of the theoretical density of the material used. The particle may be heated with a material, such as diatomaceous earth, to reduce the possibility of the particles adhering to one another. The particles pass from the machine 10 through a control valve 14 and conduit 12 to a storage hopper 16, the hopper and conduit having cooling jackets 22. From the hopper the particles are fed through a valve 30 to a fitting 18 which is connecting to a conduit 20 of a compressed air source of 40 to 200 psig. and by a flexible tube 34 to the nozzle 36. To prevent adherence of the particles to one another in the hopper a plurality of alpha particle state elimination 26 are mounted in the hopper. A mechanical agitator 28 and a vibratory agitator 32 are provided to prevent agglomeration of the particles. The nozzle 36 is of the supersonic, venturi type having a construction 38 between the inlet 40 and outlet 42 and may have a cooling jacket 44. The apparatus is designed such that no particle is within the apparatus for more than one or two minutes to limit the waste of material caused by loss of the material as a gas to 5 or 10% by weight.