baber/WOPTO huggingface dataset:
Patent GB-912956-A (GB)
Title: Improvements in and relating to chemical nickel plating of magnesium and its alloys
Inventor: BUDININKAS PRANAS
IPC: C23C18/18
Filed: 1960-12-06
Abstract: A magnesium or magnesium-alloy surface is prepared for chemical nickel plating with a solution of the nickel cation-hypophosphite anion type by treatment first with an aqueous solution containing orthophosphoric acid or chromic acid, second with an aqueous solution of a fluoride e.g. hydrofluoric acid, and third with an aqueous solution of a pyrophosphate.  The chromic acid solution may also contain nitric acid together with alkali metal nitrate or hydrofluoric acid.  The nickel plating solution should contain, in addition to the nickel and hypophospite, ions of citrate, fluoride and lead.  The plated article is preferably heat-treated at 400 DEG F.  Specification 785,694 is referred to.
Patent GB-1474243-A (GB)
Title: Semi-conductor devices
IPC: H01L31/10
Filed: 1974-09-26
Abstract: 1474243 Semi-conductor devices SONY CORP 26 Sept 1974 [27 Sept 1973] 41932/74 Heading H1K A semi-conductor device comprises a bipolar transistor 19 formed by a first region 12 of a first conductivity type, a second region 14 of a second conductivity type adjacent the first region 12, a third region 18 of the first conductivity type adjacent the second region 14, and a JUGFET formed by first and second electrodes 24, 25 on the first region 12, and a third electrode 26 on the third region 18 for controlling the current passed by the electrodes 24, 25 through a channel 15 in the first region 12, wherein the distance between the first and third regions 12, 18 is less than the diffusion length of minority carriers in the second region 14. When biased as shown, the device acts as a photodiode with the output appearing across the resistor R. The photocurrent is L FE  times that of prior art photodiodes since the transistor 19 amplifies the photocurrent. The operation is very temperature dependent so that the device may also be used as a temperature-sensitive device, and the capacitance of the PN junctions of the transistor 19 allows applications as a charge storage device.
Patent GB-1027044-A (GB)
Title: Improvements in or relating to fluid flow control valves
Inventor: WHITWORTH FRANK
IPC: F16K5/04
Filed: 1961-11-24
Abstract: 1,027,044. Valves. CONEX-TERNA Ltd. Sept. 21, 1962 [Nov. 24, 1961], No. 42021/61. Heading F2V. Fluid flow between an inlet 13 (Fig. 1, not shown) and an outlet 15 is controlled by a hollow-rotatable closure-member 16 with an open inlet-end in permanent communication with a lateral port 19 that is brought into and out of register with the outlet 15. Axial displacement of the member 16 is prevented by upper and lower circlips 23, 18 the former cooperating with a washer 24 resting on top of the body beyond which extends a reduced part of the member that is threaded to receive a bolt 26 securing the operating knob 27. The washer 24 is splined to the member 16 and embodies a radial tab 24 (Fig. 4, not shown) which upon rotation of the member 16 engages an inner projection on a flow setting washer 29 comprising a disc 30 and a depending lip 31; the washer 29 is disposed on the body within a skirt on the operating knob, the body adjacent thereto being hexagonal and the lip 31 incorporating eighteen serrations each with an internal angle equal to that of the body hexagon so that the washer 29 can occupy any one of eighteen positions on the body depending on the degree of registration required between port 19 and outlet 15.
Patent GB-1216968-A (GB)
Title: Intermittent film contact pressure apparatus for cinematographic cameras
Inventor: HEINONEN RUSSELL MATTHEW
IPC: G03B1/22
Filed: 1969-08-22
Abstract: 1,216,968. Cine cameras. TECHNICAL OPERATIONS Inc. Aug.22, 1969, No.42078/69. Heading G2E. In a cine camera the film 19 is intermittently pressed against a filter plate 16 bearing a light affecting patterns such as a diffraction grating 17 by a block 58, a spring arm 60 pivoted at 62 which presses the block against the film being intermittently pushed away from the block by the tip of pull-down claw 40 engaging follower 78. A small constant pressure on film pressure plate 52 is provided by spring arm 50. Filter plate 16 is held by bracket 18 against exposure aperture 12 in plate 10. Claw arm 22 has legs 28 defining an open-ended slot containing fixed guide rod 30, and is eccentrically mounted by pin 24 on worm gear 26.
Patent GB-1377540-A (GB)
Title: Hump yarn retarder control system
IPC: B61K7/12
Filed: 1972-09-13
Abstract: 1377540 Retarder control system SOUTHERN PACIFIC TRANSPORTATION CO 13 Sept 1972 [23 Sept 1971] 42411/72 Heading B7H In a hump type classification yard, the group retarders are controlled such that rail vehicles passing through the retarders are decelerated at a uniform rate over the full length of the retarder and leave the retarder at a predetermined speed.  The vehicles move down the hump track 10 through master retarder 13 controlled by mechanism 14 and via branch tracks 11 through group retarders 15 controlled by mechanism 16 to the classification tracks 12. The control mechanisms 14 and 16 are actuated from digital computer 10 which is fed with straight and curved track speed measurements, vehicle weight, the distance to destination in the relevant classification track and with speed measurements on hump track 10 from radar unit 17 and in the group retarder from radar unit 18. The master retarder is controlled to achieve a uniform spacing between vehicles rolling down the main track. For group retarder control the computer determines from the information supplied and the desired coupling speed, the speed at which a vehicle should leave the group retarder. At each, e.g. quarter-second the speed of the vehicle in the retarder is measured and used to predict the speed of the car at a position ahead of that at which the speed was measured and this is compared with the speed the car should have at that position, see switching line, Fig. 5, if it was being decelerated at a uniform rate over the length of the retarder from its entering speed to the calculated leaving speed. The retarder is switched to open or close in response to the comparison. The ahead prediction of the speed compensates for the delay due to the inertia in the retarder operation. Figs. 6 and 7 (not shown) show a flow chart of the algorithm for the computer.
Patent GB-1530377-A (GB)
Title: Compressed-air treatment apparatus comprising a connection housing and a reception vessel
IPC: F16N7/34
Filed: 1976-10-13
Abstract: 1530377 Separator for compressed air J LORCH GES & CO KG 13 Oct 1976 [22 Oct 1975] 42434/76 Heading BIT An apparatus for separating particles from compressed air comprises a connection housing 2 and a reception vessel 1 which is fixed to the housing by a bayonet joint formed by dogs 11 on collar 9 of vessel 1 cooperating with dogs 6 on housing 2, and by at least one snap connection e.g. 14 which cooperates between the reception vessel and an edge on the connection housing and which can be engaged and disengaged by an appropriate rotating movement of the reception vessel. The snap fastening may be between a vertical rib and groove (14 and 19 Figs. 6 and 7 not shown). The housing and vessel may be of resilient plastics material. A stop 13 may be provided to restrict rotation on fastening. A seal 16 may be present.
Patent GB-1364077-A (GB)
Title: Method for manufacturing yarn from natural and chemical fibres and  apparatus for carrying out the method
IPC: D01H4/02
Filed: 1971-09-11
Abstract: 1364077 Pneumatic spinning INSTYTUT WLOKIENNICTWA 11 Sept 1971 42473/71 Heading DID In a pneumatic process of break spinning a stationary cylindrical chamber 1 is provided with tangential air inlets 6 and suction outlet 5 producing a spiral vortex above which an axially stationary vortex is produced. Fibre 8 is fed into the stationary vortex to produce a whirling ring of fibres 9 from which yarn is withdrawn through an axial passage 4 in a plug 2, twist being inserted by the motion of the ring 9. The fibre inlet tube 7 may be orientated in any desired way, see also Figs. 7 and 8, (not shown) from above or below. The top plug 2 may have a spiral air passage 3.
Patent GB-1127922-A (GB)
Title: Improvements in or relating to motor vehicle drive arrangements
Inventor: ROLT ANTHONY PETER ROYLANCE
IPC: B60K5/02
Filed: 1964-10-20
Abstract: 1,127,922. Motor vehicle gear arrangements. HARRY FERGUSON RESEARCH Ltd. 11 Oct., 1965 [20 Oct., 1964], No. 42675/64. Heading B7H. A motor vehicle has a longitudinally disposed engine 16 with its output shaft 17 extending forwardly to a torque converter 18, the output shaft 27 of which is connected by chain and sprocket or spur gearing 19 to the input of a disengageable clutch 20, the output of which is connected via a change-speed gear-box 21 to a centre differential gear and transfer box 22 having a forwardly extending tubular output shaft 23 coaxial with its input shaft and connected to the input member 28 of a forward differential gear 14 driving the front wheels 10 through half shafts 13. Rearwardly, a drive from the centre differential 22, which may be controlled, is taken through gears 30 and a propeller shaft 24 to a differential gear 15 having output shafts 12 drivingly connected to the rear wheels 11. In a modification, the clutch 20 is disposed between the gearing 19 and the torque converter 18. The torque converter, clutch and change speed gear may be omitted.
Patent GB-1314864-A (GB)
Title: N-arylureas a process for their production and their use as herbicid
IPC: C07C239/00
Filed: 1970-09-07
Abstract: 1314864 N-aryl ureas BAYER AG 7 Sept 1970 [24 Jan 1970] 42682/70 Heading C2C The invention comprises N-arylureas of the formula where either X 1  or X 2  is a CF 2 ClS- radical and the other is a hydrogen or chlorine atom, R 1  is a hydrogen atom or an alkyl C 1-4  or alkenyl C 2-4  radical and R 2  is an alkyl C 1-4  or alkenyl C 2-4  radical. They are prepared by reacting an appropriate X 1 , X 2 -substituted phenyl isocyanate with an amine of the formula HNR 1 R 2  in the presence of a solvent or diluent. 3 - Chloro - 4 - difluorochloromethylmercaptophenylisocyanate is prepared by fluorination of 3 - chloro - 4 - trichloromethylmercaptophenyl isocyanate. The ureas may be used in herbicidal compositions in admixture with a solid diluent or carrier or with a liquid diluent or carrier containing a surface active agent.
Patent GB-1137121-A (GB)
Title: Improvements in and in the manufacture of insulated ducting, tubing or casing
IPC: F16L59/02
Filed: 1964-10-21
Abstract: 1,137,121. Insulated ducting &c. LODENSE FIXINGS (RUGBY) Ltd., and T. FLINTOFF. 20 Jan., 1966 [21 Oct., 1964], No. 42824/64. Heading F2P. Insulated ducting, tubing or casing is formed by providing spaced apart channels 3 in or between insulating foamed plastics material 1, such as expanded polystyrene or polyurethane, provided with a backing 2 of paper, card, mesh or woven textile material or plastics sheet material, and folding or bending the backing at the channels, the bevel edges 5 and meeting sides of the channels being secured together by adhesive; the channels may be V-shaped as shown or U-shaped, Fig. 4 (not shown), and the ducting may be polygonal, circular or semicircular in cross-section and have a lining of asbestos; the insulation 1 may be of fireproof material.
Patent GB-982752-A (GB)
Title: Improvements in and relating to polyethylene blends
IPC: C08L23/04
Filed: 1963-10-30
Abstract: A composition comprises a blend consisting of 80 to 99% of a polymer of ethylene of molecular weight greater than 30,000 and from 20 to 1% of a thermoplastic aromatic polycarbonate, e.g. the product derived from carbonic acid and 2,2-di-p-hydroxyphenyl propane.  The ethylene polymer may be a homopolymer or may be a copolymer with propylene, butene, styrene, vinyl acetate or ethyl acrylate.  Optional ingredients specified include carbon black and 4,41 - thiobis - (3 - Me - 6tBu - phenol). Specification 772,627 is referred to.
Patent GB-985016-A (GB)
Title: Motion transmitting mechanism
IPC: B23C9/00
Filed: 1963-10-31
Abstract: 985,016. Screw-and-nut gearing. CINCINNATI MILLING MACHINE CO. Oct. 31, 1963 [April 1, 1963], No. 43004/63. Heading F2Q. [Also in Division B3] A machine tool slide 13 has a vertical screw 14 journalled thereon and held against relative movement thereto by collars 15, 16 and thrust bearings 17, 18, the screw 14 having two threaded connections with a base 10 which share the load but have different frictional resistances. The connection at the lower end of the screw 14 comprises a ball screw 14e and nut 20, having low frictional resistance to rotation and the connection at the upper end of the screw, comprises a helical thread 14b, 19 having a relatively high frictional resistance. The proportions of the weight of the slide borne by the two connections can be varied by axial adjustment of the nut 19 by means of stud 25. The screw 14 may be rotated by means of a hand wheel 22. In a modification, horizontal movement of a table 31, Fig. 2, with respect to a base 30 is effected by rotation of shafts 33, 34 having different threaded connections with the table 31 and being geared together with a gearing ratio which is inversely proportional to the leads of the screws. An anti-backlash nut 47 is provided. In a further modification, a threaded screw 60 is journalled in a base 61 and held against axial movement with respect thereto. A ball nut 64 is secured to the upper end of screw 60 and this engages a ball screw 69 to which part of the weight of a slide 68 is transmitted through a spring 74, the effective tension of which is adjustable by means of a cap 73. A nut 78 secured to the slide 68 is in threaded engagement with the screw 60.
Patent GB-1011189-A (GB)
Title: Tipping or swinging converter with gimbal suspension
IPC: C21C5/50
Filed: 1963-10-31
Abstract: 1,011,189. Metallurgical converters. DEMAG A.G. Oct. 31, 1963 [Dec. 4, 1962], No. 43104/63. Heading F4B. A tipping converter has its carrier pins gimbal mounted to facilitate a tumbling motion, at least one pair of supporting brackets being secured to the converter body, which brackets are adapted for circular motion about the common axis of the carrier pins and engage in the gimbal ring to support the converter body when the latter is tipped or swung. Supporting brackets if move between guides 15 in recesses 2a in the gimbal ring 2. The gimbal ring is supported by pins 11 in a carrier ring 3 which is in turn mounted in a stand 12 by trunnions 3a. The tumbling motion is imparted to the converter by a mechanism, Fig. 1 (not shown), operable to move a projection at the base of the converter in a circular path. Fig. 1 also shows an embodiment wherein the carrier ring is dispensed with, the gimbal ring being mounted directly in the stand. Rollers or partspherical bearings may be provided between the brackets and the guides in the gimbal ring. Alternatively, each bracket may move between rollers mounted on plungers working in pressure cylinders, Fig. 7 (not shown). In a final modification, Fig. 8 (not shown), the gimbal ring is provided with lugs which engage recesses in the brackets secured to the converter body.
Patent GB-990545-A (GB)
Title: Telephone concentrator systems
IPC: H04Q3/00
Filed: 1962-11-15
Abstract: 990,545. Automatic exchange systems. WESTERN ELECTRIC CO. Inc. Nov. 15, 1962 [Nov. 20, 1961], No. 43189/62. Heading H4K. In a concentrator system of the kind described in Specification 990,544 in which concentrator units are located at the substations and are connected to the central office by a number of speech trunks T, R and a number of signalling leads NG1 ... NG4, MG, H, it is arranged that a call between two substations is established over a single one of the trunks with supervision from the central office. The system is incorporated in a conventional No. 5 cross-bar system as described in U.S.A. Specification 2,585,904. As in the prior Specification, the substations are connected to so-called line packages 120 ... 122, and on the occurrence of a call the identity of the substation is sent over leads NG1 ... NG4 to a register at the central office, and the substation is connected to an allotted trunk T, R over which the subscriber dials into the register. A marker is then taken into use to set up first a terminating connection to the wanted substation over line link frame 143 and then a call-back connection to the calling substation over line link frame 144, these being interconnected by an intra-office trunk. The substations are thus connected over two of the trunks T, R, in the case of an intraconcentrator call. A signal tone, e.g. 5 kc/s., is now applied from a generator 146 to the trunk used for the terminating connection and, in the case under consideration, this is received by a detector 147 coupled to the trunk used in the call-back connection. A transfer circuit 148 is thus activated to release the existing terminating connection and connect the called substation to the trunk used in the call-back connection. Supervision is conventional, except that the trunk is not released until both subscribers go on hook.
Patent GB-1443793-A (GB)
Title: Brake shoe suspension for disc brakes
IPC: F16D55/224
Filed: 1973-09-14
Abstract: 1443793 Spot-type disc brakes ALFRED TEVES GmbH 14 Sept 1973 [30 Sept 1972] 43283/73 Heading F2E A brake shoe suspension arrangement for spot-type disc brakes comprises a brake shoe guide hole 6 having a pair of spaced lateral guide surfaces 7, 8, a brake shoe 1 having a pair of parallel edges each adjacent one of the guide surfaces 7, 8, the brake shoe being initially disposed in the guide hole so that there is clearance between each edge and its associated guide surface, a pair of locking pins 4, 5, each extending with clearance through one of a pair of spaced holding holes 2, 3, disposed through the shoe adjacent the top surface of the guide hole 6 to secure the shoe, and a spring 9 disposed parallel to the locking pins and in use engaging, at a location between the holding holes 2, 3, an edge of the shoe perpendicular to the side edges, the spring 9 exerting a vertical force on the shoe to urge it radially inwards, the holding holes 2, 3, the spring 9 and the locking pins 4, 5, co-operating with one another to tilt the brake shoe relative to the guide surfaces 7, 8, so that one portion 10 or 11 of each of the shoe side edges abuts its associated guide surface. Rattling of the shoe is thereby reduced.
Patent GB-1393877-A (GB)
Title: Stabilisation of fats and oils
IPC: C09K15/08
Filed: 1971-09-17
Abstract: 1393877 Stabilisation of fats and oils IMPERIAL CHEMICAL INDUSTRIES Ltd 31 Aug 1972 [17 Sept 1971] 43439/71 Heading A2D [Also in Division C5] A composition for stabilising fats and oils comprises (i) a phenolic compound of formula wherein R<SP>1</SP> is a tertiary alkyl group of 4 to 18 carbon atoms; R<SP>2</SP> is hydrogen or a tertiary alkyl group of 4 to 18 carbon atoms and R<SP>3</SP> is methyl, ethyl, methoxy or -CH 2 OH, and (ii) a thiodialkanoic acid ester of formula: in which R<SP>4</SP> and R<SP>5</SP> are aliphatic hydrocarbon groups of 6 to 20 carbon atoms and p and q are integers in the range of 1 to 6, and (iii) a metal deactivating (i.e. chelating) acid or salt thereof in which the cations are of negligible toxicity (i.e. these cations do not convert a non-toxic acid into a toxic salt) and exist in only one valency state. If R 3  is methoxy and R<SP>1</SP> and R<SP>2</SP> are tertiary alkyl groups, it is not essential for both ingredients (ii) and (iii) to be present, for in that case one compound selected from (ii) and (iii) will suffice. Preferred components are for compound (i) 4-methoxy-2, 6-di-tert butyl phenol, compound (ii) dilauryl or distearyl thiodipropionate, and compound (iii) citric, malic, tartaric, or ethylene diamine tetra acetic acid. The composition is particularly suitable for the stabilisation of soya-bean oil, rape-seed oil and arachis oil.
Patent GB-1414066-A (GB)
Title: Junction transistors
IPC: H01L29/08
Filed: 1973-09-17
Abstract: 1414066 Transistor WESTERN ELECTRIC CO Inc 17 Sept 1973 [21 Sept 1972] 43467/73 Heading H1K The collector zone of a transistor comprises a lightly doped portion adjacent the base zone and a heavily doped portion separated from the base zone by the lightly doped portion, a major portion of the lightly doped portion having a linear graded impurity concentration. The impurity concentration reduces the non-linearity of the cut-off frequency characteristic. In an embodiment a heavily doped N-type monocrystalline silicon substrate 13B has a lightly doped N-type epitaxial layer 13A formed thereon. Regions 11 and 12 are also formed by diffusion. The concentration of impurities in layer 13A varies from 2.10<SP>15</SP> donors cm.<SP>-3</SP> at the base/collector interface to 8.10<SP>15</SP> donors cm.<SP>-3</SP> at the interface of layers 13A and 13B. The concentration gradient can be made by varying the concentration of impurity present during deposition of layer 13A, bombarding with ions of different energy or outdiffusion from the substrate 13B into layer 13A. The transistor may form part of an integrated circuit with the "substrate" 13B forming a buried collector zone in a substrate of opposite conductivity type.
Patent GB-1533808-A (GB)
Title: Powder-distributing device
IPC: B05B1/34
Filed: 1977-10-20
Abstract: 1533808 Nozzles COMMISARIAT A L'ENERGIE ATOMIQUE and DES ETABS NEU SA 20 Oct 1977 [29 Oct. 1976] 43735/77 Heading B2F A powder discharge nozzle comprises a hollow duct 2 defined by four planar tapered walls 3-6 and having a discharge end 9 and an upstream end 7 connected to a pipe 8 for the supply of powder in suspension. The duct increases in width and decreases in height from the end 7 to the end 9. A cut-out 12 in the wall 4 is covered by a perforated screen 16 which allows the discharge of carrier gas and planar partitions 19 extend from the end 9 to the cut-out 12. Adjustable planar deflectors 14, 15 are located upstream of the partitions and a further deflector 21 may be located adjacent wall 3. The nozzle is provided with an outer casing 22.
Patent GB-1047610-A (GB)
Title: A fluid cooled plate valve
IPC: F26B11/04
Filed: 1965-10-15
Abstract: 1,047,610. Valves. DINGLERWERKE A.G. Oct. 15, 1965 [Aug. 12, 1965], No. 43833/65. Heading F2V. A hollow plate valve is provided internally with a spiral cooling channel that communicates at its centre with an inlet 3 via a tube 5 and at its outer end with an outlet 4. A slot 7 at the end of the channel prevents a build-up of foreign bodies. The tube 7 may be flattened or of oval shape to minimize losses.